4552 Datasheet, PDF (14/145 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4552 Group
LCD power supply
(VLC3)
LCD power supply
(VLC2)
L21
LCD power supply
(VLC1)
LCD power supply
LCD control
signal
L23
LCD power
supply
L23
10
(Note 1)
SEG0/VLC3^{(Note 2)}
(Note 1)
LCD power supply
LCD control
signal
L22
LCD power
supply
L22
10
(Note 1)
SEG1/VLC2(Note 2)
(Note 1)
LCD control
signal
LCD power
supply
L21
LCD power
supply
L21
10
(Note 1)
SEG2/VLC1(Note 2)
(Note 1)
L13
L20
Reset signal
L12
EPOF+POF2 instruction
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 (7)
Rev.3.02 Dec 22, 2006 page 14 of 142
REJ03B0023-0302