HD64F2149 Datasheet, PDF (224/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 8.1 H8S/2169 or H8S/2149 Port Functions
Port Description Pins
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
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
Port 3 • 8-bit I/O
port
• Built-in
MOS input
pull-ups
• LED drive
capability
P37/D15/HDB7/
SERIRQ
P36/D14/HDB6/
LCLK
P35/D13/HDB5/
LRESET
P34/D12/HDB4/
LFRAME
P33 to P30/
D11 to D8/
HDB3 to HDB0/
LAD3 to LAD0
Expanded Modes
Single-Chip Mode
Mode 1
Mode 2, Mode 3 Mode 2, Mode 3
(EXPE = 1)
(EXPE = 0)
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)
Upper
address
output
(A15 to A8)
When DDR = 0
(after reset):
input port or
timer connection
output
(CBLANK)
I/O port also functioning
as PWM timer output
(PW15 to PW8) and
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)
Data bus input/output (D15 to
D8)
I/O port also functioning
as XBS data bus
input/output (HDB7 to
HDB0) and LPC
input/output (SERIRQ,
LCLK, LRESET,
LFRAME, LAD3 to
LAD0)
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