.hide-partial { max-height: none; } .show-more { display: none; }

RISC Core Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 850

Applied Filters:

Core = RISC

Manufacturer

Product Type

Mounting Style

Package/Case

Data Bus Width

Maximum Clock Frequency

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

8-bit Microcontrollers - MCU 16KB Flash, 1KB RAM, 512 EEPROM, 12b ADC2, 8-bit DAC, 8-bit DAC, 16-bit PWM

PIC18F14Q40-I/SS
Microchip Technology
1: $1.47
908In Stock

Mfr. Part No.
PIC18F14Q40-I/SS

Mouser Part No
579-PIC18F14Q40-I/SS

Microchip Technology

8-bit Microcontrollers - MCU 16KB Flash, 1KB RAM, 512 EEPROM, 12b ADC2, 8-bit DAC, 8-bit DAC, 16-bit PWM

Learn More

Datasheet

908In Stock

$1.47

$1.35

$1.22

$1.21

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SSOP-20

RISC

8 bit

64 MHz

16 kB

1 kB

12 bit

18 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU CAN-FD, 64KB Flash, 8KB RAM, 12b ADC3, UTMR, DAC, Comp, PWM, CCP,CWG, HLT, WWDT

PIC18F26Q84-E/SP
Microchip Technology
1: $3.74
536In Stock

Mfr. Part No.
PIC18F26Q84-E/SP

Mouser Part No
579-PIC18F26Q84-E/SP

Microchip Technology

8-bit Microcontrollers - MCU CAN-FD, 64KB Flash, 8KB RAM, 12b ADC3, UTMR, DAC, Comp, PWM, CCP,CWG, HLT, WWDT

Learn More

Datasheet

536In Stock

$3.74

$3.20

$3.09

$3.02

Quote

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

SPDIP-28

RISC

8 bit

64 MHz

64 kB

8 kB

12 bit

25 I/O

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 128KB Flash, 3.5KB RAM, 256B EEPROM, 10b ADC2, 5b DAC, Comp, PWM, CCP, CWG, HLT

PIC18F27Q10-I/SS
Microchip Technology
1: $1.78
1,094In Stock

Mfr. Part No.
PIC18F27Q10-I/SS

Mouser Part No
579-PIC18F27Q10-I/SS

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash, 3.5KB RAM, 256B EEPROM, 10b ADC2, 5b DAC, Comp, PWM, CCP, CWG, HLT

Learn More

Datasheet

1,094In Stock

$1.78

$1.61

$1.46

$1.45

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SSOP-20

RISC

8 bit

64 MHz

128 kB

3.61 kB

10 bit

25 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU CAN,128KB Flash,13KB RAM,1KB EE,12-bit ADC3,DAC,DSM,PWMS,CIPS,I2C/SPI,UART

PIC18F47Q83-E/PT
Microchip Technology
1: $3.10
361In Stock

Mfr. Part No.
PIC18F47Q83-E/PT

Mouser Part No
579-PIC18F47Q83-E/PT

Microchip Technology

8-bit Microcontrollers - MCU CAN,128KB Flash,13KB RAM,1KB EE,12-bit ADC3,DAC,DSM,PWMS,CIPS,I2C/SPI,UART

Learn More

Datasheet

361In Stock

$3.10

$2.85

$2.57

$2.56

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

RISC

8 bit

64 MHz

128 kB

12.8 kB

12 bit

36 I/O

- 40 C

+ 125 C

Tray

8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC

PIC18F56Q43T-I/PT
Microchip Technology
1: $2.49
823In Stock

Mfr. Part No.
PIC18F56Q43T-I/PT

Mouser Part No
579-PIC18F56Q43T-IPT

Microchip Technology

8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC

Datasheet

823In Stock

Cut Tape

$2.49

$2.29

$2.07

Reel

$2.07

$2.06

Quote

Min.: 1
Mult.: 1

Reel: 1,600

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

RISC

8 bit

64 MHz

64 kB

4 kB

12 bit

44 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU CAN-FD,128KB Flash,13KB RAM,1KB EE,12-bit ADC3, DAC, DSM, PWMS, CIPS, I2C/SPI,

PIC18F27Q84T-I/5N
Microchip Technology
1: $2.60
2,995In Stock

Mfr. Part No.
PIC18F27Q84T-I/5N

Mouser Part No
579-IC18F27Q84T-I/5N

Microchip Technology

8-bit Microcontrollers - MCU CAN-FD,128KB Flash,13KB RAM,1KB EE,12-bit ADC3, DAC, DSM, PWMS, CIPS, I2C/SPI,

Learn More

Datasheet

2,995In Stock

Cut Tape

$2.60

$2.38

$2.15

Reel

$2.15

$2.14

Min.: 1
Mult.: 1

Reel: 1,600

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-28

RISC

8 bit

64 MHz

128 kB

12.8 kB

12 bit

25 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU CAN-FD, 64KB Flash, 8KB RAM, 12b ADC3, UTMR, DAC, Comp, PWM, CCP,CWG, HLT, WWDT

PIC18F26Q84-E/SO
Microchip Technology
1: $2.78
429In Stock

Mfr. Part No.
PIC18F26Q84-E/SO

Mouser Part No
579-PIC18F26Q84-E/SO

Microchip Technology

8-bit Microcontrollers - MCU CAN-FD, 64KB Flash, 8KB RAM, 12b ADC3, UTMR, DAC, Comp, PWM, CCP,CWG, HLT, WWDT

Learn More

Datasheet

429In Stock

$2.78

$2.52

$2.31

$2.29

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-28

RISC

8 bit

64 MHz

64 kB

8 kB

12 bit

25 I/O

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU CAN,128KB Flash,13KB RAM,1KB EE,12-bit ADC3,DAC,DSM,PWMS,CIPS,I2C/SPI,UART

PIC18F27Q83-E/SP
Microchip Technology
1: $3.88
502In Stock

Mfr. Part No.
PIC18F27Q83-E/SP

Mouser Part No
579-PIC18F27Q83-E/SP

Microchip Technology

8-bit Microcontrollers - MCU CAN,128KB Flash,13KB RAM,1KB EE,12-bit ADC3,DAC,DSM,PWMS,CIPS,I2C/SPI,UART

Learn More

Datasheet

502In Stock

$3.88

$3.56

$3.21

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

SPDIP-28

RISC

8 bit

64 MHz

128 kB

12.8 kB

12 bit

25 I/O

- 40 C

+ 125 C

Tube

32-bit Microcontrollers - MCU SH7267 1.5MB 144MHz 176LQFP -20-85C Ind

R5S72670W144FP#V0
Renesas Electronics
1: $34.57
63In Stock

Mfr. Part No.
R5S72670W144FP#V0

Mouser Part No
968-R5S72670W144FPV0

Renesas Electronics

32-bit Microcontrollers - MCU SH7267 1.5MB 144MHz 176LQFP -20-85C Ind

Datasheet

63In Stock

$34.57

$27.04

$25.84

$25.80

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

LQFP-176

RISC

32 bit

144 MHz

0 B

1.56 MB

10 bit

104 I/O

- 20 C

+ 85 C

Tray

RF System on a Chip - SoC BLE4.2 compliant, BLE5.0 2Mbps and long packet length, 24 pin QFN

TLSR8232F512ET24
Telink
1: $4.49
2,900In Stock

Mfr. Part No.
TLSR8232F512ET24

Mouser Part No
141-TLSR8232F512ET24

Telink

RF System on a Chip - SoC BLE4.2 compliant, BLE5.0 2Mbps and long packet length, 24 pin QFN

Learn More

Datasheet

2,900In Stock

Cut Tape

$4.49

$2.93

$2.68

$2.31

View

Reel

$1.40

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-24

RISC

32 bit

32 kHz

512 kB

16 kB

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE 5.0, AoA/Tx, BLE Mesh, RF4CE, 32 pin QFN

TLSR8253F512AT32
Telink
1: $6.56
2,982In Stock

Mfr. Part No.
TLSR8253F512AT32

Mouser Part No
141-TLSR8253F512AT32

Telink

RF System on a Chip - SoC BLE 5.0, AoA/Tx, BLE Mesh, RF4CE, 32 pin QFN

Learn More

Datasheet

2,982In Stock

Cut Tape

$6.56

$4.36

$4.03

$3.50

Reel

$2.36

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-32

RISC

32 bit

32 MHz

512 kB

48 kB

14 bit

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE 5.1, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, Zigbee 3.0, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 48 pin QFN

TLSR8278F1KET48
Telink
1: $7.98
2,466In Stock

Mfr. Part No.
TLSR8278F1KET48

Mouser Part No
141-TLSR8278F1KET48

Telink

RF System on a Chip - SoC BLE 5.1, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, Zigbee 3.0, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 48 pin QFN

Learn More

Datasheet

2,466In Stock

Cut Tape

$7.98

$5.56

$5.18

$4.56

View

Reel

$3.09

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

TQFN-48

RISC

32 bit

32 MHz

1 MB

64 kB

14 bit

32 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE 5.0, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, Zigbee 3.0, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 32 pin QFN

TLSR8258F1KET32
Telink
1: $7.41
2,143In Stock

Mfr. Part No.
TLSR8258F1KET32

Mouser Part No
141-TLSR8258F1KET32

Telink

RF System on a Chip - SoC BLE 5.0, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, Zigbee 3.0, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 32 pin QFN

Learn More

Datasheet

2,143In Stock

Cut Tape

$7.41

$5.09

$4.74

$4.17

View

Reel

$2.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-32

RISC

32 bit

32 MHz

1 MB

64 kB

14 bit

17 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC 2.4G Proprietary, 24 pin QFN

TLSR8355F128ET24
Telink
1: $4.18
2,944In Stock

Mfr. Part No.
TLSR8355F128ET24

Mouser Part No
141-TLSR8355F128ET24

Telink

RF System on a Chip - SoC 2.4G Proprietary, 24 pin QFN

Learn More

Datasheet

2,944In Stock

Cut Tape

$4.18

$2.72

$2.50

$2.15

Reel

$1.38

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-24

RISC

32 bit

32 MHz

128 kB

32 kB

14 bit

12 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM,

PIC18F57Q43-I/6LX
Microchip Technology
1: $2.70
777In Stock

Mfr. Part No.
PIC18F57Q43-I/6LX

Mouser Part No
579-PIC18F57Q43I/6LX

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM,

Learn More

Datasheet

777In Stock

$2.70

$2.25

$2.24

$2.15

Quote

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-48

RISC

8 bit

64 MHz

128 kB

8 kB

12 bit

44 I/O

- 40 C

+ 85 C

Tube

RF System on a Chip - SoC BLE4.2 compliant, BLE5.0 2Mbps and long packet length, 24 pin QFN

TLSR8232F128ET24
Telink
1: $4.18
2,559In Stock

Mfr. Part No.
TLSR8232F128ET24

Mouser Part No
141-TLSR8232F128ET24

Telink

RF System on a Chip - SoC BLE4.2 compliant, BLE5.0 2Mbps and long packet length, 24 pin QFN

Learn More

Datasheet

2,559In Stock

Cut Tape

$4.18

$2.72

$2.50

$2.15

Reel

$1.38

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-24

RISC

32 bit

32 kHz

128 kB

16 kB

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE 5.0, AoA/Tx, Telink Mesh, 24 pin QFN

TLSR8251F512ET24
Telink
1: $5.20
2,955In Stock

Mfr. Part No.
TLSR8251F512ET24

Mouser Part No
141-TLSR8251F512ET24

Telink

RF System on a Chip - SoC BLE 5.0, AoA/Tx, Telink Mesh, 24 pin QFN

Learn More

Datasheet

2,955In Stock

Cut Tape

$5.20

$3.52

$3.25

$2.84

Reel

$1.75

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-24

RISC

32 bit

32 kHz

512 kB

64 kB

14 bit

12 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE 5.0, AoA/Tx, Telink Mesh, 48 pin QFN

TLSR8251F512ET48
Telink
1: $5.81
2,886In Stock

Mfr. Part No.
TLSR8251F512ET48

Mouser Part No
141-TLSR8251F512ET48

Telink

RF System on a Chip - SoC BLE 5.0, AoA/Tx, Telink Mesh, 48 pin QFN

Learn More

Datasheet

2,886In Stock

Cut Tape

$5.81

$3.84

$3.50

$2.97

Reel

$2.02

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-48

RISC

32 bit

32 kHz

512 kB

64 kB

14 bit

32 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE 5.1, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 48 pin QFN

TLSR8273F512ET48
Telink
1: $6.87
2,970In Stock

Mfr. Part No.
TLSR8273F512ET48

Mouser Part No
141-TLSR8273F512ET48

Telink

RF System on a Chip - SoC BLE 5.1, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 48 pin QFN

Learn More

Datasheet

2,970In Stock

Cut Tape

$6.87

$4.59

$4.27

$3.74

Reel

$2.53

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-48

RISC

32 bit

32 MHz

512 kB

64 kB

14 bit

32 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC 2.4G Proprietary, 32 pin QFN

TLSR8355F512ET32
Telink
1: $4.56
2,715In Stock

Mfr. Part No.
TLSR8355F512ET32

Mouser Part No
141-TLSR8355F512ET32

Telink

RF System on a Chip - SoC 2.4G Proprietary, 32 pin QFN

Learn More

Datasheet

2,715In Stock

Cut Tape

$4.56

$3.00

$2.78

$2.42

View

Reel

$1.46

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-32

RISC

32 bit

32 MHz

512 kB

32 kB

14 bit

19 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC 2.4G ESL/RFID, 32 pin QFN

TLSR8359F512ET32
Telink
1: $5.48
2,951In Stock

Mfr. Part No.
TLSR8359F512ET32

Mouser Part No
141-TLSR8359F512ET32

Telink

RF System on a Chip - SoC 2.4G ESL/RFID, 32 pin QFN

Learn More

Datasheet

2,951In Stock

Cut Tape

$5.48

$3.71

$3.43

$2.99

Reel

$1.85

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-32

RISC

32 bit

32 kHz

512 kB

64 kB

18 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC 2.4G 16K OTP, 8K SRAM

TLSR8367EP16
Telink
1: $3.42
4,929In Stock

Mfr. Part No.
TLSR8367EP16

Mouser Part No
141-TLSR8367F64ES16

Telink

RF System on a Chip - SoC 2.4G 16K OTP, 8K SRAM

Learn More

Datasheet

4,929In Stock

Cut Tape

$3.42

$2.21

$1.97

$1.63

Reel

$1.06

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

RF System on a Chip - SoC

RISC

32 bit

16 kB

8 kB

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE4.2 compliant, BLE5.0 2Mbps and long packet length, 32 pin QFN

TLSR8232F512ET32
Telink
1: $4.66
2,964In Stock

Mfr. Part No.
TLSR8232F512ET32

Mouser Part No
141-TLSR8232F512ET32

Telink

RF System on a Chip - SoC BLE4.2 compliant, BLE5.0 2Mbps and long packet length, 32 pin QFN

Learn More

Datasheet

2,964In Stock

Cut Tape

$4.66

$3.07

$2.84

$2.46

View

Reel

$1.49

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-32

RISC

32 bit

32 kHz

512 kB

16 kB

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC BLE 5.0, AoA/Tx, BLE Mesh, RF4CE, 32 pin QFN

TLSR8253F512ET32
Telink
1: $6.23
2,138In Stock

Mfr. Part No.
TLSR8253F512ET32

Mouser Part No
141-TLSR8253F512ET32

Telink

RF System on a Chip - SoC BLE 5.0, AoA/Tx, BLE Mesh, RF4CE, 32 pin QFN

Learn More

Datasheet

2,138In Stock

Cut Tape

$6.23

$4.13

$3.79

$3.27

Reel

$2.21

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-32

RISC

32 bit

32 MHz

512 kB

48 kB

14 bit

17 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC 2.4G Proprietary, 48 pin QFN

TLSR8355F512ET48
Telink
1: $5.05
5,995In Stock

Mfr. Part No.
TLSR8355F512ET48

Mouser Part No
141-TLSR8355F512ET48

Telink

RF System on a Chip - SoC 2.4G Proprietary, 48 pin QFN

Learn More

Datasheet

5,995In Stock

Cut Tape

$5.05

$3.32

$3.07

$2.67

View

Reel

$1.63

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

QFN-48

RISC

32 bit

32 MHz

512 kB

32 kB

14 bit

32 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RISC Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

DFN-8
DIP-18
DIP-40
HVQFN-40
LGA-48
LQFP-144
LQFP-176
LQFP-44
LQFP-48
LQFP-64
NFBGA-224
PBGA-388
PDIP-20
PDIP-40
PDIP-8
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32

32 kHz
1 MHz
4 MHz
4.2 MHz
8.4 MHz
10 MHz
12 MHz
16 MHz
24 MHz
32 MHz
40 MHz
50 MHz
56 MHz
64 MHz
80 MHz
96 MHz
100 MHz
144 MHz
160 MHz
240 MHz

0 B
1 kB
2 kB
3.5 kB
4 kB
7 kB
8 kB
14 kB
16 kB
28 kB
32 kB
32 kb
48 kB
60 kB
64 kB
72 kB
74 kB
80 kB
96 kB
128 kB

25 B
128 B
256 B
512 B
1 kB
1.5 kB
2 kB
2 kb
2.3 kB
3.61 kB
4 kB
6 kB
8 kB
12.8 kB
16 kB
16 kB, 520 kB
32 kB
48 kB
50 kB
64 kB

2 I/O
6 I/O
10 I/O
11 I/O
12 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
24 I/O
25 I/O
26 I/O
28 I/O
30 I/O
31 I/O
32 I/O
33 I/O
34 I/O