LC7461M
Pin Assignment
Top view
Pin Description
Pin Name
V
DD
, V
SS
K
O
0 to K
O
7
Pin No.
8, 12
13 to 20
Output
Input/Output
Internal Equivalent Circuit
Pin Function
Power supply pins V
SS
= GND
Key scan timing signal output pins
K
I
0 to K
I
3
1 to 4
Input
Keys return signal entry pins
Input/output pins for ceramic resonator-used
oscillation
OSC1
OSC2
10
11
Input/output
Oscillator configuration
C
0
to C
5
21 to 24,
5, 6
Input
Input pins for custom code setting
Capable of externally setting 6 bits of 13 bits in
all that provide a custom code
OUT
7
Output
Output pin for transmit LED drive
TEST
9
Input
LSI test pin
Normally set to high-level or brought to open
state
No.2119-3/7
SANYO [ SANYO SEMICON DEVICE ]
