Rabbit RabbitCore RCM4100 User Manual page 32

Table 2. RCM4100 Series Pinout Configurations
Pin Pin Name
1 +3.3 V_IN
2 GND
3 /RES_OUT
4 /IORD
5 /IOWR
6 /RESET_IN
7 VBAT_EXT
8–15 PA[0:7]
16 PB0
17 PB1
18 PB2
19 PB3
20 PB4
21 PB5
22 PB6
23 PB7
28
Default Use
Reset output Reset input
Output
Output
Input
Battery input
Slave port data bus
(SD0–SD7)
Input/Output
External I/O data bus
(ID0–ID7)
SCLKB
Input/Output
External I/O Address IA6
SCLKA
Input/Output
External I/O Address IA7
/SWR
Input/Output
External I/O Address IA0
/SRD
Input/Output
External I/O Address IA1
SA0
Input/Output
External I/O Address IA2
SA1
Input/Output
External I/O Address IA3
/SCS
Input/Output
External I/O Address IA4
/SLAVATN
Input/Output
External I/O Address IA5
Alternate Use
Reset output from Reset
Generator
External read strobe
External write strobe
Input to Reset Generator
CLKB
Programming port CLKA
Notes
RabbitCore RCM4100