PD17P709A_15 Datasheet, PDF (11/38 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM

µPD17P709A
1. PIN FUNCTIONS
1.1 Pin Function List
Pin No. Symbol
1
INT2
41 INT1
42 INT0
2
P1A3/INT4
3
P1A2/INT3
4
P1A1
5
P1A0/TM0G
6
P3A3
|
|
9
P3A0
10 P3B3
|
|
13 P3B0
14 P2A2
15 P2A1/FCG1
16 P2A0/FCG0
Function
Edge-detectable vectored interrupt input pins. Rising or falling edge can be
specified.
Output Form
–
Port 1A multiplexed with external interrupt request signal input and event
–
signal input pins.
• P1A3 to P1A0
• 4-bit input port
• INT4, INT3
• Edge-detectable vectored interrupt
• TM0G
• Input for gate of 8-bit timer 0
After reset
With clock stopped
Power-on reset WDT&SP reset
CE reset
Input
(P1A3 to P1A0)
Input
(P1A3 to P1A0)
Retained
Retained
4-bit I/O port.
Input or output can be specified in 4-bit units.
CMOS
push-pull
After reset
With clock stopped
Power-on reset WDT&SP reset
CE reset
Input
Input
Retained
Retained
4-bit I/O port.
Input or output can be specified in 4-bit units.
CMOS
push-pull
After reset
With clock stopped
Power-on reset WDT&SP reset
CE reset
Input
Input
Retained
Retained
Port 2A multiplexed with external gate counter input pins.
• P2A2 to P2A0
• 3-bit I/O port
• Input or output can be specified in 1-bit units.
• FCG1, FCG0
• Input for external gate counter
CMOS
push-pull
After reset
With clock stopped
Power-on reset WDT&SP reset
CE reset
Input
(P2A2 to P2A0)
Input
(P2A2 to P2A0)
Retained
(P2A2 to P2A0)
Retained
(P2A2 to P2A0)
Data Sheet U15723EJ1V0DS
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