M32C83T datasheet(335/527 Pages) RENESAS

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Page 312

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

)

(

Table 21.32 Pin Settings (1)

Port

Function

Bit and Setting

Name

PS1 Register PSL1 Register PSC Register PD7 Register IPS Register

P70(1)

ISTxD2 output PS1_0 = 1

PSL1_0 = 0

PSC_0 = 1

G2POCR0

P71

ISRxD2 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 corresponding register to "1112" (output of the communication

function is used).

Table 21.33 Pin Settings (2)

Port

Function

Bit and Setting

Name

PS3 Register(1) PSL3 Register PD9 Register(1) IPS Register

P91

ISRxD2 input

PS3_1=0

PD9_1=0

IPS5 to 4=012 -

P92

ISTxD2 output

PS3_2=1

PSL3_2=1

G2POCR0

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 to the PRC2 bit to "1"

and the instruction to set the PD9 and PS3 registers.

2. Set the MOD2 to MOD0 bits in the corresponding register to "1112" (output of the communication

function used).

Table 21.34 Pin Settings (3)

Port

Function

Bit and Setting

Name

PS0 Register PSL0 Register PD6 Register IPS Register

P64

ISCLK2 input

PS0_4 = 0

PD6_4 = 0

IPS6 = 0

ISCLK2 output

PS0_4 = 1

PSL0_4 = 1

G2POCR1

NOTES:

1. Set the MOD2 to MOD0 bits in the corresponding register to "1112" (output of the communication

function used).

Table 21.35 Pin Settings (4)

Port

Function

Bit and Setting

Name

PS7 Register PD13 Register IPS Register

P134

ISTxD2 output

PS7_4 = 1

G2POCR0

P135

ISRxD2 input

PS7_5 = 0

PD13_5 = 0

IPS5 to 4 = 102

P136

ISCLK2 input

PS7_6 = 0

PD13_6 = 0

IPS6 = 1

ISCLK2 output

PS7_6 = 1

G2POCR1

NOTES:

1. Set the MOD2 to MOD0 bits in the corresponding register to "1112" (output of the communication

function used).

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