Freescale Semiconductor MPC5200B - Manual (Page 76)

Pinout Tables
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor 2-31
Figure 2-4. PSC1 Port Map—5 Pins
Table 2-9. PSC1 Pin Functions
Pin Name Dir. GPIO AC97_1 UART1 UART1e CODEC1
CODEC1 w/
MCLK
PSC1_0 I/O GPIO AC97_1_SDATA_OUT UART1_TXD UART1e_TXD CODEC1_TXD CODEC1_w/
MCLK_TXD
PSC1_1 I/O GPIO AC97_1_SDATA_IN UART1_RXD UART1e_RXD CODEC1_RXD CODEC1_w/
MCLK_RXD
PSC1_2 I/O GPIO AC97_1_SYNC UART1_RTS UART1e_RTS GPIO CODEC1_w/
MCLK_MCLK
PSC1_3 I/O GPIO AC97_1_BITCLK UART1_CTS UART1e_CTS CODEC1_CLK CODEC1_w/
MCLK_CLK
PSC1_4 I/O GPIO_W/W
AKE_UP
AC97_1_RES GPIO_W/WAKE_UP UART1e_DCD CODEC1_FRAME CODEC1_w/
MCLK_FRAME
1. CODEC usage leaves pin 3 open for simple GPIO.
2. If port otherwise unused, all five pins are available as GPIO.
3. CODEC plus additional GPIO from elsewhere can implement Soft Modem or RS-232 functionality.
4. AC’97 usage is limited to PSC1 and PSC2.
Pin Drivers and MUX Logic
5 5
PSC_0 PSC_1 PSC_2 PSC_3 PSC_4
4 5
GPIO AC971 UART1(e) CODEC1
Function
Port_conf
[29:31]
PSC_0 PSC_1 PSC_2 PSC_3 PSC_4
GPIO 00X GPIO GPIO GPIO GPIO GPIO_W/WAKE_UP
AC97_1 01X AC97_1_SDATA_O
UT AC97_1_SDATA_IN AC97_1_SYNC AC97_1_BITCLK AC97_1_RES
UART1 100 UART1_TXD UART1_RXD UART1_RTS UART2_CTS GPIO_W/WAKE_UP
UART1e 101 UART1e_TXD UART1e_RXD UART1e_RTS UART1e_CTS UART1e_DCD
CODEC1 110 CODEC1_TXD CODEC1_RXD GPIO CODEC1_CLK CODEC1_FRAME
CODEC1
w/ MCLK
111 CODEC1_w/
MCLK_TXD CODEC1_w/
MCLK_RXD CODEC1_w/
MCLK_MCLK CODEC1_w/
MCLK_CLK CODEC1_w/
MCLK_FRAME
Note: