HD64F36049 datasheet(166/562 Pages) RENESAS

Part #	HD64F36049

Description	Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Tiny Series

PDF	562 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 9 I/O Ports

Rev. 3.00 Mar. 15, 2006 Page 134 of 526

REJ09B0060-0300

9.6

Port 7

Port 7 is a general I/O port also functioning as a timer V I/O pin and SCI3_2 I/O pin. Each pin of

the port 7 is shown in figure 9.6. The register settings of the timer V and SCI3_2 have priority for

functions of the pins for both uses.

P76/TMOV

P77

P75/TMCIV

P74/TMRIV

P72/TXD_2

P71/RXD_2

P70/SCK3_2

Port 7

Figure 9.6 Port 7 Pin Configuration

Port 7 has the following registers.

• Port control register 7 (PCR7)

• Port data register 7 (PDR7)

9.6.1

Port Control Register 7 (PCR7)

PCR7 selects inputs/outputs in bit units for pins to be used as general I/O ports of port 7.

Bit

Bit Name

Initial

Value

R/W

Description

PCR77

PCR76

PCR75

PCR74



PCR72

PCR71

PCR70



When each of the port 7 pins P77 to P74 and P72 to

P70 functions as a general I/O port, setting a PCR7 bit

to 1 makes the corresponding pin an output port, while

clearing the bit to 0 makes the pin an input port.

Bit 3 is a reserved bit.

HD64F36049 Datasheet(PDF) 166 Page - Renesas Technology Corp

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