M32C83T datasheet(339/527 Pages) RENESAS

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Page 316

21. Intelligent I/O (Group 2 Communication Function)

)

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Table 21.38 Pin Settings (1)

Port

Function

Bit and Setting

Name

PS1 Register

PSL1 Register PSC Register PD7 Register IPS Register

P70(1)

IEOUT output

PS1_0 = 1

PSL1_0 = 0

PSC_0 = 1

G2POCR0

P71

IEIN input

PS1_1 = 0

PD7_1 = 0

IPS5 to 4 = 002 -

NOTES:

1. P70 is a port for the N-channel open drain output.

2. Set the MOD2 to MOD0 bits in the G2POCR0 register to "1112".

Table 21.39 Pin Settings (2)

Port

Function

Bit and Setting

Name

PS3 Register(2) PSL3 Register PD9 Register(2) IPS Register

P91

IEIN input

PS3_1 = 0

IPS5 to 4 = 012 -

P92

IEOUT output PS3_2 = 1

PSL3_2 = 1

PD9_2 = 0

G2POCR0

NOTES:

1. Set the MOD2 to MOD0 bits in the G2POCR0 register to "1112".

2. 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 to the PRC2 bit to "1"

and the instruction to set the PD9 and PS3 registers.

Table 21.40 Pin Settings (3)

Port

Function

Bit and Setting

Name

PS7 Register

PSL7 Register IPS Register

P134

IEOUT output

PS7_4 = 1

G2POCR0

P135

IEIN input

PS7_5 = 0

PD13_5 = 0

IPS5 to 4 = 102 -

NOTES:

1. Set the MOD2 to MOD0 bits in the G2POCR0 register to "1112".

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