4509 Datasheet, PDF (10/142 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4509 Group
Key-on wakeup input
Level
detection circuit
IAP0 instruction
Register A
A3
A3
D
OP0A instruction ^{T Q}
FR03
K03
PU03
(Note 1)
P03
(Note 1)
(Note 2)
L13
L12
Key-on
0
Level detection circuit
0
wakeup
input
1
Edge detection circuit
1
IAP1 instruction
Register A
A0
A0
D
OP1A instruction ^{T Q}
FR10
K10
PU10
(Note 1)
P10 (Note 2)
(Note 1)
L13
Key-on
0
wakeup
input
1
L12
Level detection circuit
0
Edge detection circuit
1
IAP1 instruction
Register A
A1
FR11
A1
D
W63
OP1A instruction ^{T Q 0}
PWMOD2 1
W60
Clock (input) for
0
timer 1 event count
1
K11
PU11
(Note 1)
P11/CNTR1(Note 2)
(Note 1)
W10
W11
Notes 1:
This symbol represents a parasitic diode on the port.
2: Applied potential to these ports must be VDD or less.
Port block diagram (3)
Rev.1.02 2006.12.22 page 10 of 140
REJ03B0147-0102