SH7041A datasheet(637/923 Pages) RENESAS

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Section 18 Pin Function Controller

18.1

Overview

The pin function controller (PFC) is composed of registers for selecting the function of

multiplexed pins and the direction of input/output. Table 18.1 lists the SH7040 Series’s

multiplexed pins. The multiplex pin functions have restrictions dependent on the operating mode.

Table 18.2 lists the pin functions and initial values for each operating mode.

Table 18.1

Multiplexed Pins

Port

Function 1

(Related Module)

Function 2

(Related Module)

Function 3

(Related Module)

Function 4

(Related Module)

FP-

112

FP-

144

TFP-

120

PA23 I/O (port)

WRHH output (BSC) —

—

PA22 I/O (port)

WRHL output (BSC) —

—

PA21 I/O (port)

CASHH output (BSC) —

—

PA20 I/O (port)

CASHL output (BSC) —

—

PA19 I/O (port)

BACK output (BSC) DRAK1 output

(DMAC)

—

PA18 I/O (port)

BREQ input (BSC)

DRAK0 output

(DMAC)

—

PA17 /O (port)

WAIT input (BSC)

—

101 —

PA16 I/O (port)

AH output (BSC)

—

100 —

PA15 I/O (port)

CK output (CPG)

—

10788

PA14 I/O (port)

RD output (BSC)

—

PA13 I/O (port)

WRH output (BSC)

—

4739

PA12 I/O (port)

WRL output (BSC)

—

PA11 I/O (port)

CS1 output (BSC)

—

PA10 I/O (port)

CS0 output (BSC)

—

PA9 I/O (port)

TCLKD input (MTU)

IRQ3 (INTC)

—

PA8 I/O (port)

TCLKC input (MTU)

IRQ2 (INTC)

—

PA7 I/O (port)

TCLKB input (MTU)

CS3 output (BSC) —

PA6 I/O (port)

TCLKA input (MTU)

CS2 output (BSC) —

PA5 I/O (port)

SCK1 I/O (SCI)

DREQ1 input

(DMAC)

IRQ1 input (INTC) 46

136 49

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