SNC745
16-bit Voice Processor
3. PIN ASSIGNMENT
Symbol
P0.0 ~ P0.15
P1.0 ~ P1.7
CVDD
VDD
GND
BP0
BN0
VO
XIN
XOUT
LXIN
LXOUT
CKSEL
RST
TEST
I/O
I/O
I
I
I
I
O
O
O
I
O
I
O
I
I
I
Descriptions
I/O port 0
Input port 1
Positive power supply for core circuit
Positive power supply
Negative power supply
PWM output 1
PWM output 2
DA output
High speed clock crystal input / RC-type oscillator input
High speed clock crystal output / RC-type oscillator input
Low speed clock crystal input
Low speed clock crystal output
Crystal/RC-type oscillator select for high speed clock
Chip reset
For test only
Ver. 1.4
2
August 31, 2005
SONIX [ SONIX TECHNOLOGY COMPANY ]
