User’s Manual
26
Table 2. RCM4510W Pinout Configurations
Pin
Pin Name
Default Use
Alternate Use
Notes
Header J1
1
+3.3 V_IN
2
GND
3
/RES_OUT
Reset output
Reset input
Reset output from Reset
Generator or external
reset input
4
/IORD
Output
External I/O read strobe
5
/IOWR
Output
External I/O write strobe
6
/RESET_IN
Input
Input to Reset Generator
7
VBAT_EXT
Battery input
8–15
PA[0:7]
Input/Output
Slave port data bus
(SD0–SD7)
External I/O data bus
(ID0–ID7)
16
PB0
Input/Output
SCLK
External I/O Address
IA6
SCLKB (reserved for
future use)
17
PB1
Input/Output
SCLKA
External I/O Address
IA7
Programming port
CLKA
18
PB2
Input/Output
/SWR
External I/O Address
IA0
19
PB3
Input/Output
/SRD
External I/O Address
IA1
20
PB4
Input/Output
SA0
External I/O Address
IA2
21
PB5
Input/Output
SA1
External I/O Address
IA3
22
PB6
Input/Output
/SCS
External I/O Address
IA4
23
PB7
Input/Output
/SLAVATN
External I/O Address
IA5