HD64F2149 Datasheet, PDF (228/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Port Description Pins
Port B • 8-bit I/O
port
PB7/D7/WUE7
PB6/D6/WUE6
PB5/D5/WUE5
PB4/D4/WUE4
PB3/D3/WUE3/
CS4
PB2/D2/WUE2/
CS3
PB1/D1/WUE1/
HIRQ4/LSCI
PB0/D0/WUE0/
HIRQ3/LSMI
Expanded Modes
Single-Chip Mode
Mode 1
Mode 2, Mode 3 Mode 2, Mode 3
(EXPE = 1)
(EXPE = 0)
In 8-bit bus mode (ABW = 1):
I/O port also functioning as
wakeup event interrupt input
(WUE7 to WUE0)
In 16-bit bus mode (ABW = 0):
data bus input/output (D7 to
D0)
I/O port also functioning
as host interface (XBS)
control input/output
(CS3, CS4, HIRQ3,
HIRQ4), host interface
(LPC) control
input/output (LSCI,
LSMI), and wakeup
event interrupt input
(WUE7 to WUE0)
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