4524 Datasheet, PDF (14/161 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4524 Group
Ai
Register A
(Note 3)
Ai
OP2A instruction
IAP2 instruction
Q2i (Note 3)
D
TQ
(Note 3)
Q2i
0
1
Q1
Decoder
Analog input
(Note 1)
P20/AIN0–P23/AIN3
(Note 2)
Ai
Register A
(Note 3)
Ai
OP3A instruction
IAP3 instruction
Q3i ^{(Note 3)}
D
TQ
(Note 3)
Q3i
0
1
Q1
Decoder
Analog input
(Note 1)
P30/AIN4–P33/AIN7
(Note 2)
IAP4 instruction
Ai
Register A
(Note 3)
Ai
(Note 3) FR3i
D
OP4A instruction T Q
(Note 1)
P40–P43
(Note 2)
Notes 1:
This symbol represents a parasitic diode on the port.
2: Applied potential to these ports must be VDD or less.
3: i represents bits 0 to 3.
Port block diagram (6)
Rev.2.00 Jul 27, 2004 page 14 of 159
REJ03B0091-0200Z