SH7101 datasheet(466/560 Pages) RENESAS

466 / 560 page

Section 15 I/O Ports

Rev.1.00 Sep. 18, 2008 Page 432 of 522

REJ09B0069-0100

Table 15.1

Port A Data Register L (PADRL) Read/Write Operations

• Bits 15 to 0

PAIORL

Pin Function

Read

Write

General input

Pin state

Can write to PADRL, but it has no effect on pin

state

Other than

general input

Pin state

Can write to PADRL, but it has no effect on pin

state

General output

PADRL value

Value written is output from pin

Other than

general output

PADRL value

Can write to PADRL, but it has no effect on pin

state

15.2

Port B

Port B in the SH7108 is an input/output port with the four pins shown in figure 15.3.

PB5 (I/O) /

(input) /

(input)

PB4 (I/O) /

(input) /

(input)

PB3 (I/O) /

(input) /

(input)

PB2 (I/O) /

(input) /

(input)

Port B

Figure 15.3 Port B (SH7108)

Port B in the SH7109 is an input/output port with the six pins shown in figure 15.4.

Port B

PB5 (I/O) /

(input) /

(input) / CK (output)

PB4 (I/O) /

(input) /

(input)

PB3 (I/O) /

(input) /

(input)

PB2 (I/O) /

(input) /

(input)

PB1 (I/O) / A17 (output)

PB0 (I/O) / A16 (output)

Figure 15.4 Port B (SH7109)

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