CXP83408/83412/83416, CXP83409/83413/83417
Symbol
PD0/SEG16
to
PD7/SEG23
PF0/SEG24
to
PF7/SEG31
I/O
Output/Output
(Port D)
8-bit output port.
(8 pins)
(Port F)
8-bit output port.
(8 pins)
LCD segment signal output.
LCD common signal output.
LCD bias power supply.
Output
Input
Output
Input
Output
Input
Functions
LCD segment signal output.
(16 pins)
Output/Output
SEG0 to SEG15 Output
COM0 to COM3 Output
V
LC1
to V
LC3
V
L
EXTAL
XTAL
TEX
TX
RST
NC
V
DD
Vss
Control pin to cutt off the current flowing to external LCD bias resistor
during standby.
Crystal connectors for system clock oscillation. When the clock is
supplied externally, input to EXTAL; opposite phase clock should be
input to XTAL.
Crystal connectors for 32kHz timer/counter clock generation circuit.
For usage as event counter, connect clock oscillation source to TEX,
and leave TX open.
Low-level active, system reset.
NC. Under normal operating conditions, connect to V
DD
.
Positive power supply.
GND.
–7–
SONY [ SONY CORPORATION ]
