HD64F2149YV datasheet(264/1075 Pages) RENESAS

部件名	HD64F2149YV

功能描述	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

PDF	1075 Pages

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制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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264 / 1075 page

Section 8 I/O Ports

Rev. 3.00 Jan 18, 2006 page 236 of 1044

REJ09B0280-0300

8.8

Port 7

8.8.1

Overview

Port 7 is an 8-bit input only port. Port 7 pins also function as the A/D converter analog input pins

(AN0 to AN7) and D/A converter analog output pins (DA0, DA1). Port 7 functions are the same

in all operating modes.

Figure 8.15 shows the port 7 pin configuration.

P77 (Input)/AN7 (Input)/DA1 (Output)

P76 (Input)/AN6 (Input)/DA0 (Output)

P75 (Input)/AN5 (Input)

P74 (Input)/AN4 (Input)

P73 (Input)/AN3 (Input)

P72 (Input)/AN2 (Input)

P71 (Input)/AN1 (Input)

P70 (Input)/AN0 (Input)

Port 7

Port 7 pins

Figure 8.15 Port 7 Pin Functions

8.8.2

Table 8.15 shows the port 7 register configuration. Port 7 is an input-only port, and does not have

a data direction register or data register.

Table 8.15

Port 7 Registers

Name

Abbreviation

R/W

Initial Value

Address*

Port 7 input data register

P7PIN

Undefined

H'FFBE*

Notes: 1. Lower 16 bits of the address.

2. P7PIN has the same address as PBDDR.

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