HD64F2149 Datasheet, PDF (226/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Expanded Modes
Single-Chip Mode
Port Description Pins
Mode 1
Mode 2, Mode 3 Mode 2, Mode 3
(EXPE = 1)
(EXPE = 0)
Port 7 • 8-bit input
port
P77/AN7/DA1
P76/AN6/DA0
P75/AN5
Input port also functioning as A/D converter analog input
(AN7 to AN0) and D/A converter analog output (DA1,
DA0)
P74/AN4
P73/AN3
P72/AN2
P71/AN1
P70/AN0
Port 8 • 7-bit I/O
port
P86/IRQ5/SCK1/
SCL1
P85/IRQ4/RxD1
P84/IRQ3/TxD1
P83/LPCPD
I/O port also functioning as
external interrupt input (IRQ5,
IRQ4, IRQ3), SCI1 input/
output (TxD1, RxD1, SCK1),
and I²C bus interface 1
input/output (SCL1)
P82/HIFSD/
CLKRUN
P81/CS2/GA20
P80/HA0/PME
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 I²C bus interface 1
input/output (SCL1)
Port 9 • 8-bit I/O
port
P97/WAIT/SDA0
I/O port also functioning as
expanded data bus control
input (WAIT) and I²C bus
interface 0 input/output (SDA0)
I/O port also functioning
as I²C bus interface 0
input/output (SDA0)
P96/ø/EXCL
When DDR
= 0: input
port or
EXCL input
When DDR = 0 (after reset): input port or
EXCL input
When DDR = 1: ø output
When DDR
= 1 (after
reset): ø
output
P95/AS/IOS/CS1 Expanded data bus control
P94/HWR/IOW ^{output (AS/IOS, HWR, RD)}
P93/RD/IOR
I/O port also functioning
as host interface (XBS)
control input (CS1, IOW,
IOR)
192