Freescale Semiconductor MCF5329 Reference Manual page 256

General Purpose I/O Module
13.3.5.7 UART Pin Assignment Register (PAR_UART)
The PAR_UART register controls the functions of the UART pins.
Address: 0xFC0A_4058 (PAR_UART)
15 14 13
R 0 0 0
W
Reset 0 0 0
Field
15–12 Reserved, should be cleared.
11–10 UART1 control pin assignment. These bit fields configure the UART1 pins for one of their primary functions or GPIO.
PAR_U1CTS
9–8
PAR_U1RTS
7–6
PAR_U1RXD
5–4
PAR_U1TXD
3 U0CTS pin assignment.
PAR_U0CTS 0 U0CTS pin configured for GPIO
1 U0CTS pin configured for UART0 CTS function
2 U0RTS pin assignment.
PAR_U0RTS 0 U0RTS pin configured for GPIO
1 U0RTS pin configured for UART0 RTS function
1 U0RXD pin assignment.
PAR_U0RXD 0 U0RXD pin configured for GPIO
1 U0RXD pin configured for UART0 RXD function
0 U0TXD pin assignment.
PAR_U0TXD 0 U0TXD pin configured for GPIO
1 U0TXD pin configured for UART0 TXD function
13-28
12 11 10 9
0
PAR_U1CTS PAR_U1RTS
0 0 0 0 0
Figure 13-40. UART Pin Assignment (PAR_UART)
Table 13-14. PAR_UART Field Descriptions
PAR_U1CTS PAR_U1RTS PAR_U1RXD PAR_U1TXD
00 GPIO
01 Reserved
10 SSI_BCLK
11 U1CTS
MCF5329 Reference Manual, Rev 3
8 7 6 5
PAR_U1RXD PAR_U1TXD
0 0 0
Description
GPIO GPIO
Reserved Reserved
SSI_FS SSI_RXD
U1RTS U1RXD
Access: User read/write
4 3 2 1
PAR_ PAR_ PAR_
U0CTS U0RTS U0RXD
0 0 0 0
GPIO
Reserved
SSI_TXD
U1TXD
Freescale Semiconductor
0
PAR_
U0TXD
0