RL78/D1A User's Manual: Hardware - Renesas
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RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

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<br />

<br />

Under development<br />

Preliminary document<br />

Specifications in this document are tentative and subject to change.<br />

<strong>RL78</strong>/<strong>D1A</strong> CHAPTER 2 PIN FUNCTIONS<br />

The setting of I/O, buffer and pull-up resistor in each port is also valid for alternate functions.<br />

2.1.1 48-pin products<br />

Table 2-2. Port Pins for<br />

R5F10CGBxFB, R5F10CGCxFB, R5F10CGDxFB, R5F10DGCxFB, R5F10DGDxFB, R5F10DGExFB (1/2)<br />

Pin Name I/O Function During<br />

Reset<br />

After<br />

Reset<br />

Alternate Function<br />

P00 TI00/TO00/CTxD0/SEG14 Note1<br />

I/O Port 0. 2-bit I/O port.<br />

Ext.: PD Input<br />

P01<br />

Input of P01 can be set to schmitt 1<br />

input buffer.<br />

Input/output can be specified in 1-bit<br />

units.<br />

Use of an on-chip pull-up resistor can<br />

be specified by a software setting.<br />

Int.: HZ<br />

TI01/TO01/CRxD0/SEG15 Note1<br />

P10 I/O Port 1. 5-bit I/O port.<br />

Ext.: PD Input LTxD1/SCK00/TI10/TO10/INTP4/SEG31<br />

P11 Input of P10 and P11 can be set to Int.: HZ<br />

LRxD1/INTPLR1/SI00/TI11/TO11/SEG30<br />

P12<br />

schmitt 1 input buffer.<br />

SO00/TI12/TO12/INTP2/SEG29<br />

P13<br />

P14<br />

Input/output can be specified in 1-bit<br />

units.<br />

Use of an on-chip pull-up resistor can<br />

be specified by a software setting.<br />

SO01/TI13/TO13/SEG25<br />

TI14/TO14/SEG24<br />

P20 I/O Port 2. 5-bit I/O port.<br />

AVREFP/ANI0<br />

P21 Can be set to analog input AVREFM/ANI1<br />

P22 ANI2<br />

P23 ANI3<br />

P27<br />

Note2<br />

HZ Analog<br />

Input<br />

Input/output can be specified in 1-bit<br />

units.<br />

ANI7<br />

P30 I/O Port 3. 3-bit I/O port.<br />

Ext.: PD Input TI20/TO20/SCL11/SEG6<br />

P31 Input of P31 can be set to schmitt 1 Int.: HZ<br />

TI21/TO21/SDA11/SEG7<br />

P33<br />

input buffer.<br />

Output of P30 and P31 can be set to Nch<br />

open-drain output.<br />

Input/output can be specified in 1-bit<br />

units.<br />

Use of an on-chip pull-up resistor can<br />

be specified by a software setting.<br />

TI23/TO23/SEG9<br />

P40 I/O Port 4. 1-bit I/O port.<br />

Ext.: HZ Input TOOL0<br />

Input/output can be specified.<br />

Use of an on-chip pull-up resistor can<br />

be specified by a software setting.<br />

Int.: PU<br />

P54 I/O Port 5. 4-bit I/O port.<br />

Ext.: PD Input TI14/TO14/SO01/SEG2<br />

P55 Input of P55 to P57 can be set to Int.: HZ<br />

TI15/TO15/SI01/SEG3<br />

P56<br />

schmitt 1 input buffer.<br />

TI16/TO16/SCK01/SEG4<br />

P57<br />

Input/output can be specified in 1-bit<br />

units.<br />

Use of an on-chip pull-up resistor can<br />

be specified by a software setting.<br />

TI17/TO17/SEG5<br />

Remark Ext. (external reset): POR reset or pin reset, Int. (internal reset): WDT reset or LVD reset,<br />

PD: Pull down, PU: Pull up, HZ: High impedance<br />

Notes 1. CTxD0 and CRxD0 are not provided for R5F10CGDxFB, R5F10CGCxFB and R5F10CGBxFB with no CAN<br />

channel.<br />

2. Setting digital or analog to each pin can be done in A/D port configuration register (ADPC).<br />

R01UH0317EJ0004 Rev. 0.04 25<br />

Feb. 22, 2013

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