M32CSLASH86T datasheet(218/505 Pages) RENESAS

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Page 195

17. Serial I/O (Clock Synchronous Serial I/O)

)

(

Table 17.3 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

PD6_4=0

_________

RTS1 output

PS0_4=1

PSL0_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 17.4 Pin Settings (2)

Port

Function

Setting

PS1 Register

PSL1 Register

PSC Register

PD7 Register

P70(1)

TxD2 output

PS1_0=1

PSL1_0=0

PSC_0=0

P71(1)

RxD2 input

PS1_1=0

PD7_1=0

P72

CLK2 input

PS1_2=0

PD7_2=0

CLK2 output

PS1_2=1

PSL1_2=0

PSC_2=0

P73

__________

CTS2 input

PS1_3=0

PD7_3=0

__________

RTS2 output

PS1_3=1

PSL1_3=0

PSC_3=0

NOTES:

1. P70 and P71 are ports for the N-channel open drain output.

Table 17.5 Pin Settings (3)

Port

Function

Setting

PS3 Register(1)

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

TxD3 output

PS3_2=1

PSL3_2=0

P93

__________

CTS3 input

PS3_3=0

PSL3_3=0

PD9_3=0

__________

RTS3 output

PS3_3=1

P94

__________

CTS4 input

PS3_4=0

PSL3_4=0

PD9_4=0

__________

RTS4 output

PS3_4=1

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

NOTES:

1. Set the PD9 and PS3 registers immediately after the PRC2 bit in the PRCR register is set to "1" (write enable). 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.

M32C/86T Datasheet(PDF) 218 Page - Renesas Technology Corp

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