SN66120
4-Channel Speech Controller
PIN ASSIGNMENT
Symbol I/O
Function Description
Bit0 of input port 1
P10
P11
P12
P13
P20
P21
P22
P23
P30
P31
P32
P33
P40
P41
P42
P43
VDD
I
I
I
I
Bit1 of input port 1
Bit2 of input port 1
Bit3 of input port 1
I/O Bit0 of I/O port 2
I/O Bit1 of I/O port 2
I/O Bit2 of I/O port 2
I/O Bit3 of I/O port 2
I/O Bit0 of I/O port 3
I/O Bit1 of I/O port 3
I/O Bit2 of I/O port 3
I/O Bit3 of I/O port 3
O
O
O
O
I
Bit0 of output port 3
Bit1 of output port 3
Bit2 of output port 3
Bit3 of output port 3
Positive power supply
Negative power supply
GND
I
OSC/XIN
XOUT
CKSEL
I
O
I
Oscillator / Crystal In
Crystal Out
Clock type select
‘L’ → RC oscillator
‘H’ →Crystal
(Internal pull low)
D/A current output, for channel 1 and 2
D/A current output, for channel 3 and 4
VO1
VO2
O
O
2
December 20, 2000
SONIX [ SONIX TECHNOLOGY COMPANY ]
