H8S2245 datasheet(269/818 Pages) RENESAS

부품명	H8S2245

상세설명	Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series

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제조업체	RENESAS [Renesas Technology Corp]

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Section 8 I/O Ports

Rev.3.00 Mar. 26, 2007 Page 227 of 772

REJ09B0355-0300

8.3.3

Pin Functions

Port 2 pins also function as 8-bit timer I/O pins (TMRI0, TMCI0, TMO0, TMRI1, TMCI1, and

TMO1). Port 2 pin functions are shown in table 8.5.

Table 8.5

Port 2 Pin Functions

Selection Method and Pin Functions

7/TMO1

The pin function is switched as shown below according to the combination of

the bits OS3 to OS0 in TCSR1 of the 8-bit timer, and bit P27DDR.

OS3 to OS0

All 0

Any 1

P27DDR

—

Pin function

7 input

7 output

TMO1 output

6/TMO0

The pin function is switched as shown below according to the combination of

bits OS3 to OS0 in TCSR0, and bit P26DDR.

OS3 to OS0

All 0

Any 1

P26DDR

—

Pin function

6 input

6 output

TMO0 output

5/TMCI1

This pin is used as the 8-bit timer external clock input pin when external clock

is selected with bits CKS2 to CKS0 in TCR1.

The pin function is switched as shown below according to the combination of

bit P25DDR.

P25DDR

Pin function

5 input

5 output

TMCI1 input

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