h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 229

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Port 8 • 7-bit I/O
Port 9 • 8-bit I/O
Port
Description
port
port
P86/IRQ5/SCK1/
SCL1
P85/IRQ4/RxD1
P84/IRQ3/TxD1
P83/LPCPD
P82/HIFSD/
CLKRUN
P81/CS2/GA20
P80/HA0/PME
P97/WAIT/SDA0
P96/ /EXCL
P95/AS/IOS/CS1
P94/HWR/IOW
P93/RD/IOR
Pins
I/O port also functioning as
external interrupt input (IRQ5,
IRQ4, IRQ3), SCI1 input/
output (TxD1, RxD1, SCK1),
and I
input/output (SCL1)
I/O port also functioning as
expanded data bus control
input (WAIT) and I
interface 0 input/output (SDA0)
When DDR
= 0: input
port or
EXCL input
When DDR
= 1 (after
reset):
output
Expanded data bus control
output (AS/IOS, HWR, RD)
Mode 1
2
C bus interface 1
Expanded Modes
When DDR = 0 (after reset): input port or
EXCL input
When DDR = 1:
Mode 2, Mode 3
Rev. 3.00 Jan 18, 2006 page 201 of 1044
(EXPE = 1)
2
C bus
I/O port also functioning
as external interrupt
input (IRQ5, IRQ4,
IRQ3), SCI1
input/output (TxD1,
RxD1, SCK1), host
interface (XBS) control
input/output (CS2,
GA20, HA0, HIFSD),
host interface (LPC)
control input/output
(LPCPD, CLKRUN,
GA20, PME), and I
bus interface 1
input/output (SCL1)
I/O port also functioning
as I
input/output (SDA0)
I/O port also functioning
as host interface (XBS)
control input (CS1, IOW,
IOR)
output
Single-Chip Mode
2
Mode 2, Mode 3
C bus interface 0
Section 8 I/O Ports
REJ09B0280-0300
(EXPE = 0)
2
C