User's Manual
1323x Remote Extender Motherboard
1323x Development Hardware Reference Manual, Rev. 1.0
Freescale Semiconductor 5-9
5.2.3 1323x-REM Onboard Peripheral Functions
The 1323x-REM has a simple set of peripheral functions useful to evaluate the MC13233 and to
implement simple node applications, especially a remote control receiver; i.e., interface to host platform.
P2-12 PTB5//KBI1P5 Port B Bit 5 / KBI1 Input Bit 5 Unused
P2-22 PTB6//KBI1P6 Port B Bit 6 / KBI1 Input Bit 6 Unused
P1-17, P1-18 PTB7//KBI1P7 Port B Bit 7 / KBI1 Input Bit 7 • UART flow control RTS input to MCU;
jumper required
• Connects to REM USB <> UART device
P2-15, P2-16 PTC0/KBI2P0 Port C Bit 0 / KBI2 Input Bit 0 REM switch matrix; jumper required
P2-23, P2-24 PTC1/KBI2P1 Port C Bit 1 / KBI2 Input Bit 1 REM switch matrix; jumper required
P2-20 PTC2/KBI2P2 Port C Bit 2 / KBI2 Input Bit 2 Unused
P2-26 PTC3/KBI2P3 Port C Bit 3 / KBI2 Input Bit 3 Unused
P1-10 PTC4/SPICLK Port C Bit 4 / SPI clock • Unused on REM
• Connected to serial FLASH on MRB
P1-2 PTC5/SS Port C Bit 5 / SPI slave select • Unused on REM
• Connected to serial FLASH on MRB
P1-6 PTC6/MISO Port C Bit 6 / SPI MISO • Unused on REM
• Connected to serial FLASH on MRB
P1-4 PTC7/MOSI Port C Bit 7 / SPI MOSI • Unused on REM
• Connected to serial FLASH on MRB
P1- 15, P1-16 PTD0/TPM0 Port D Bit 0 / TPM0 signal Unused
P2-27, P2-28 PTD1/TPM1 Port D Bit 1/ TPM1 signal Drives LED4; jumper required
P1-21, P1-22 PTD2/TPM2 Port D Bit 2 / TPM2 signal • UART flow control CTS output from
MCU; jumper required
• Connects to REM USB <> UART device
P2-29, P2-30 PTD3/TPM3 Port D Bit 3 / TPM3 signal • REM IR receiver input; jumper required
• Drives timer input
P2-32 PTD4/CMT Port D Bit 4/ CMT output • Not used on REM
• Connected to IR blaster on MRB
P1-7, P1-8 PTD6/RXD Port D Bit 6 / UART RXD input • UART RXD input to MCU; jumper
required
• Connects to REM USB <> UART device
P1-11, P1-12 PTD5/TXD Port D Bit 5 / UART TXD output • UART TXD output from MCU; jumper
required
• Connects to REM USB <> UART device
P1-32 PTD7/32MOUT Port D Bit 7 Unused
Table 5-3. 1323x-REM P1 and P2 Pin Header Function Description (continued)
1323x-REM
Header Pins
MC13233
Signal Name
Description Comments