SN66007
2-Channel Speech Controller
PIN ASSIGNMENT
Symbol
P20
P21
P22
P23
P30
P31
P32
P33
VDD
GND
I/O Function Description
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
I Positive power supply
I Negative power supply
OSC/XIN I Oscillator / Crystal In
XOUT O Crystal Out
CKSEL I Clock type select
‘L’ → R type (1M)
‘H’ → 2M Crystal
VO1
Internal pull-low
O D/A current output, for channel 1 and 2
2
December 20, 2000