HD6433713 datasheet(201/324 Pages) RENESAS

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11.1.3 Pin Configuration

Table 11-1 shows the SCI2 pin configuration.

Table 11-1 Pin Configuration

Name

Abbrev.

I/O

Function

SCI2 clock pin

SCK2

I/O

SCI2 clock input/output

SCI2 data input pin

SI2

Input

SCI2 receive data input

SCI2 data output pin

SO2

Output

SCI2 transmit data output

SCI2 chip select output pin

Output

SCI2 chip select output

Note:

Functions of pins P94/SCK2, P95/SI2/CS, and P96/SO2 are switched in port mode register 2

(PMR2) and port mode register 3 (PMR3). For PMR2, see 7.10.2 1, Port mode register 2

(PMR2).

11.1.4 Register Configuration

Table 11-2 shows the SCI2 register configuration.

Table 11-2 SCI2 Registers

Name

Abbrev.

R/W

Initial Value

Address

32-byte data buffer

—

R/W

Not fixed

H'FF80 to H'FF9F

Start address register

STAR

R/W

H'E0

H'FFA0

End address register

EDAR

R/W

H'E0

H'FFA1

Serial control register 2

SCR2

R/W

H'E0

H'FFA2

Status register

STSR

R/W

H'E0/H'E8

H'FFA3

Port mode register 2

PMR2

R/W

H'00

H'FFEC

Port mode register 3

PMR3

R/W

H'97

H'FFED

190

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