4.1 RCM3360/RCM3370 Digital Inputs and Outputs
Figure 5 shows the RCM3360/RCM3370 pinouts for headers J3 and J4.
J3
J4
GND
PA7
PA5
PA3
PA1
PF3
PF1
PC0
PC2
n.c./PC4
PC6-TxA
PG0
PG2
PD4
PD2/TPO?
PD6/TPI?
LINK/n.c.
STATUS
PA6
PA4
PA2
PA0
PF2
PF0
PC1
PC3
n.c./PC5
PC7-RxA
PG1
PG3
PD5
PD3/TPO+
PD7/TPI+
ACT/n.c.
/RES
PB2
PB4
PB6
PF4
PF6
PE7
PE5
PE3
PE0
PG6
PG4
/IORD
SMODE1
VRAM
+3.3 VIN
n.c.
n.c./PB0
PB3
PB5
PB7
PF5
PF7
PE6
PE4
PE1
PG7
PG5
/IOWR
SMODE0
/RESET_IN
VBAT_EXT
GND
GND
n.c. = not connected
Note: These pinouts are as seen on
the Bottom Side of the module.
Figure 5. RCM3360/RCM3370 Pinouts
The pinouts for the RCM3000, RCM3100, RCM3200, RCM3300/RCM3310, RCM3305/
RCM3315, RCM3360/RCM3370, and RCM3365/RCM3375 are almost compatible, except
signals PB0, PC4, and PC5. PB0, PC4, and PC5 are used for the SPI interface to the serial flash on
the RCM3300/RCM3310 and the RCM3305/RCM3315, but are available on the RCM3360/
RCM3370 and the RCM3365/RCM3375. Visit the Web site for further information.
Headers J3 and J4 are standard 2 × 34 headers with a nominal 2 mm pitch. An RJ-45 Ether-
net port is also included with the RCM3360/RCM3370.
Pins 29–32 on header J3 are configured using 0 ? resistors at locations JP4, JP5, JP7, and
JP8 to be PD3, PD2, PD7, and PD6 respectively. They may also be reconfigured to carry
the Ethernet signals TPO+, TPO–, TPI+, and TPI–.
Pins 33 and 34 on header J3 are wired to carry the LINK and ACT signals that illuminated
the corresponding LEDs on the RCM3360/RCM3370 module. These signals may be “dis-
connected” by removing 0 ? surface-mount resistors R41 and R42.
See Appendix A.5 for more information about the locations of these surface-mount
resistors.
22
RabbitCore RCM3360/RCM3370
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