User`s manual

MiniCore RCM5700/RCM6700 User’s Manual rabbit.com 31
27 PB0 Input/Output
SCLKB
External I/O Address
IA6
SCLKB (used by serial flash
on RCM5750/RCM5760 and
RCM6700 family.)
Due to serial boot flash
requirements, the RCM6700
family’s edge connector pin 27
(PB0 / SCLKB) must not be
used for general purpose I/O.
Although reserved for SCLKB
only, this usage may be shared
with an off-minicore SPI
device.
28 /RESET Reset output Reset input
Reset output from Reset
Generator or external reset
input
29 PB2 Input/Output
/SWR
External I/O Address
IA0
30 PB3 Input/Output
/SRD
External I/O Address
IA1
31 PB4 Input/Output
SA0
External I/O Address
IA2
32 PB5 Input/Output
SA1
External I/O Address
IA3
33 PB6 Input/Output
/SCS
External I/O Address
IA4
34 PB7 Input/Output
/ S L AVAT N
External I/O Address
IA5
35–42 PA[0:7] Input/Output
Slave port data bus
(SD0–SD7)
External I/O data bus
(ID0–ID7)
43 /IORD Output External I/O read strobe
44 VBAT_EXT Battery input
45 /IOWR Output External I/O write strobe
46 PB1 Input/Output
SCLKA
External I/O Address
IA7
Programming port SCLKA
Table 4-3. RCM5700/RCM6700 Pinout Configurations
Pin Pin Name Default Use Alternate Use Notes