M32C80 Datasheet, PDF (198/352 Pages) Renesas Technology Corp – 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES

M32C/80 Group
16. Serial I/O (Clock Synchronous Serial I/O)
Table 16.3 Pin Settings in Clock Synchronous Serial I/O Mode (1)
Port
Function
Setting
PS0 Register
PSL0 Register
PD6 Register
__________
P60
CTS0 input
PS0_0=0
-
PD6_0=0
__________
RTS0 output
PS0_0=1
-
-
P61
CLK0 input
PS0_1=0
-
PD6_1=0
CLK0 output
PS0_1=1
-
-
P62
RxD0 input
PS0_2=0
-
PD6_2=0
P63
TxD0 output
PS0_3=1
P64
__________
CTS1 input
PS0_4=0
_________
RTS1 output
PS0_4=1
-
-
PSL0_4=0
-
PD6_4=0
-
P65
CLK1 input
PS0_5=0
-
PD6_5=0
CLK1 output
PS0_5=1
-
-
P66
RxD1 input
PS0_6=0
-
PD6_6=0
P67
TxD1 output
PS0_7=1
-
-
Table 16.4 Pin Settings (2)
Port
Function
Setting
PS1 Register
PSL1 Register PSC Register
P70(1)
P71(1)
TxD2 output
RxD2 input
PS1_0=1
PS1_1=0
PSL1_0=0
-
PSC_0=0
-
P72
CLK2 input
PS1_2=0
-
-
CLK2 output
PS1_2=1
P73
__________
CTS2 input
PS1_3=0
__________
RTS2 output
PS1_3=1
PSL1_2=0
-
PSL1_3=0
PSC_2=0
-
PSC_3=0
NOTE:
1. P70 and P71 are ports for the N-channel open drain output.
PD7 Register
-
PD7_1=0
PD7_2=0
-
PD7_3=0
-
Table 16.5 Pin Settings (3)
Port
Function
PS3 Register⁽¹⁾
Setting
PSL3 Register
PSC3 Register PD9 Register⁽¹⁾
P90
CLK3 input
PS3_0=0
-
-
PD9_0=0
CLK3 output
PS3_0=1
-
-
-
P91
RxD3 input
PS3_1=0
-
-
PD9_1=0
P92
P93
P94
TxD3 output
__________
CTS3 input
__________
RTS3 output
__________
CTS4 input
__________
RTS4 output
PS3_2=1
PS3_3=0
PS3_3=1
PS3_4=0
PS3_4=1
PSL3_2=0
-
PSL3_3=0
-
-
-
PSL3_4=0
-
-
-
-
PD9_3=0
-
PD9_4=0
-
P95
CLK4 input
PS3_5=0
PSL3_5=0
-
PD9_5=0
CLK4 output
PS3_5=1
-
-
-
P96
TxD4 output
PS3_6=1
-
PSC3_6=0
-
P97
RxD4 input
PS3_7=0
-
-
PD9_7=0
NOTE:
1. Set the PD9 and PS3 registers immediately after the PRC2 bit in the PRCR register is set to "1" (write enabled). Do
not generate an interrupt or a DMA transfer between the instruction to set the PRC2 bit to "1" and the instruction to
set the PD9 and PS3 registers.
Rev. 1.00 Nov. 01, 2005 ^{Page 179} of 330
REJ09B0271-0100