HD64F2149YV datasheet(226/1075 Pages) RENESAS

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Section 8 I/O Ports

Rev. 3.00 Jan 18, 2006 page 198 of 1044

REJ09B0280-0300

Table 8.1

H8S/2169 or H8S/2149 Port Functions

Expanded Modes

Single-Chip Mode

Port

Description

Pins

Mode 1

Mode 2, Mode 3

(EXPE = 1)

Mode 2, Mode 3

(EXPE = 0)

Port 1 • 8-bit I/O

port

• Built-in

MOS input

pull-ups

•LED drive

capability

P17 to P10/

A7 to A0/

PW7 to PW0

Lower

address

output

(A7 to A0)

When DDR = 0

(after reset):

input port

When DDR = 1:

lower address

output (A7 to

A0) or PWM

timer output

(PW7 to PW0)

I/O port also functioning

as PWM timer output

(PW7 to PW0)

Port 2 • 8-bit I/O

port

• Built-in

MOS input

pull-ups

•LED drive

capability

P27/A15/PW15/

CBLANK

P26/A14/PW14

P25/A13/PW13

P24/A12/PW12

P23/A11/PW11

P22/A10/PW10

P21/A9/PW9

P20/A8/PW8

Upper

address

output

(A15 to A8)

When DDR = 0

(after reset):

input port or

timer connection

output

(CBLANK)

When DDR = 1:

upper address

output (A15 to

A8), PWM timer

output (PW15 to

PW12), timer

connection

output

(CBLANK), or

output ports

(P27 to P24)

I/O port also functioning

as PWM timer output

(PW15 to PW8) and

timer connection output

(CBLANK)

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