RC220x

©2005 Radiocrafts AS

RC220x Data Sheet (rev. 1.0)

Page 4 of 17

Pin Assignment

1

10

11

30

33

31

53

34

Pin Description

Pin no Pin name

Description and internal MCU connection

1

GND

System ground

2

VCC

Supply voltage input

3

PG0

Digital I/O, PG0

4

GND

System ground

5

CTS1

Digital I/O, PD7 / CTS1

6

RTS1

Digital I/O, PD5 / RTS1

7

PG2

Digital I/O, PG2

8

TXD1

Digital I/O, PD3 / TXD1 / INT3

9

RXD1

Digital I/O, PD2 / RXD1 / INT2

10

GND

System ground

11

GND

System ground

12

ADC7

Digital or analogue I/O, PF7, JTAG TDI

13

ADC6

Digital or analogue I/O, PF6, JTAG TDO

14

ADC5

Digital or analogue I/O, PF5, JTAG TMS

15

ADC4

Digital or analogue I/O, PF4, JTAG TCK

16

ADC3

Digital or analogue I/O, PF3

17

ADC2

Digital or analogue I/O, PF2

18

ADC1

Digital or analogue I/O, PF1

19

ADC0

Digital or analogue I/O, PF0

20

AREF

Analogue reference voltage pin for the internal A/D Converter.

Internally decoupled with 22nF.

21

PE0

Digital I/O, PE0, ISP PDI for RC2200 and RC2204

22

PE1

Digital I/O, PE1, ISP PDO for RC2200 and RC2204

23

PE2

Digital I/O, PE2

24

PE3

Digital I/O, PE3

25

PE4

Digital I/O, PE4 / INT4

26

PE5

Digital I/O, PE5 / INT5

27

PE6

Digital I/O, PE6 / INT6

28

PE7

Digital I/O, PE7 / INT7

29

1.8V

Internally regulated voltage. Normally not connect. May be used for

AREF

30

GND

System ground