User's Manual
1323x Remote Control Motherboard
1323x Development Hardware Reference Manual, Rev. 1.0
4-8 Freescale Semiconductor
Figure 4-4. 1323x-RCM IO Connector J8 and J9 Pin Mapping
Table 4-3 list the P1 and P2 pin header function as it relates to the MC13233.
Table 4-3. 1323x-RCM P1 and P2 Pin Header Function Description
1323x-REM
Header Pins
MC13233
Signal Name
Description 1323x-REM Application / Notes
P1-27, P1-28 PTA0/XTAL_32K Port A Bit 2 / 32.768 kHz oscillator output • Drives LED1; jumper required
• 32.768 kHz oscillator can be enabled on
MRB
P1-25, P1-26 PTA1/EXTAL_32K Port A Bit 3 / 32.768 kHz oscillator input • Drives Buzzer; jumper required
• 32.768 kHz oscillator can be enabled on
MRB
P1-13, P1-14 RESET
Device asynchronous hardware reset.
Active low. Onboard Pullup
• Drives touchpad reset; jumper required
• Reset signal driven from MRB
P1-29, P1-30 PTA2 Port A Bit 2. Onboard pull-down for TM • Drive LCD_CTL0; jumper required
• Application is LCD enable clock
• TM enable
P2-13, P2-14 PTA3/IRQ Port A Bit 3 / IRQ. • Used; jumper required
• Provides interrupt request input IRQ
(active low) from accelerometer and
touchpad
P2-17, P2-18 PTA4/
XTAL_32KOUT
Port A Bit 4 / Buffered 32.768 kHz clock
output
• Drives LED2; jumper required
• Optional 32.768 kHz output clock for
measuring reference oscillator accuracy
(ppm)
P1-19, P1-20 PTA5/SDA Port A Bit 5 / IIC Bus data • Used; jumper required
• Connects to accelerometer
• Defaults to open drain for IIC
• Pullup on MRB
P1-23, P1-24 PTA6/SCL Port A Bit 6 / IIC Bus clock • Used; jumper required
• Connects to accelerometer
• Defaults to open drain for IIC
• Pullup on MRB
P2-1, P2-2 PTB0/KBI1P0 Port B Bit 0 / KBI1 Input Bit 0 RCM switch matrix; jumper required
P2-3, P2-4 PTB1/KBI1P1 Port B Bit 1 / KBI1 Input Bit 1 RCM switch matrix; jumper required
MRB-SPI _MI SO
MRB-U AR T_TXD
MRB- KBI 2P2
MRB- KBI 2P0
MRB-SPI_SS
MRB-SPI _MOSI
MRB-PTA2/LCD_CTL0LCD_CTL0
MRB- PTD1/ TPM1
MRB- KBI 1P1
MRB- KBI 1P3
MRB- KBI 1P4
MRB- KBI 1P2
UART_TXD
MRB- PTD3/ TPM3
LED1 MRB-PTA0
MRB- PTD4/ CMT
MRB- KBI 1P5
BUZZER MRB-PTA1 MRB- KBI 2P3
IRQb
MRB- KBI 1P0
MRB- KBI 2P1
SPI_CLK MRB-SPI_C LK
UART_RXD MR B -U ART_RXD
MRB- KBI 1P6
MRB-PTA4/32K_OUT
RSTb MR B -RSTb MRB- PTA3/I RQb
LED3 MRB-TPM0
1 2
3 4
65
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
P1
HDR_2X16
UART_RTS MRB-UAR T_R TS/ KBI 1P7
KMD1
I2C_SDA MRB -I 2C _SDA
KBI1P6
MRB-PTD7/32M_OUT
KMD3
1 2
3 4
65
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
P2
HDR_2X16
MRB-UART_CTS/TPM2UART_CTS
KMD2
KMD0
KBI1P3
LED4
KMD4
KBI1P4
KBI1P2
KBI1P1
KBI1P0
KBI1P5
KMD5
SPI_MOSI
LED2
I2C_SCL MRB-I2C_SCL