SNC710
16-bit Voice Engine
3. PIN ASSIGNMENTS
Symbol
P0.0~P0.15
P1.0~P1.7
VDD
I/O
Function Description
I/O I/O Port 0
I Input Port 1
I Positive power supply for digital I/O pad
GND
I Negative power supply for digital I/O pad &core
I Positive power supply for DSP core & AD bus interface
O PWM output 1
CVDD
BP0
BN0
O PWM output 2
VO0
O DA0 converter output
XIN/VR1
XOUT/VR2
LXIN
LXOUT
CKSEL
ALECLK
CEB
READY
CLKIN
CEIN
I High clock crystal input /RC oscillator input
I/O High clock crystal output/RC oscillator input
I Low clock oscillator input
O Low clock oscillator output
I Crystal/RC oscillator system clock select
O System Clock output
O External ROM Enable , active low
I/O Data Ready(I)/ Reset(O)
I Bus system clock in
I External ROM enable in
AD[0..7]
RST
I/O ROM Address/Data Bus (AD Bus)
I Chip reset (active low)
TestM
I TEST pin
EXTM
I External ROM Share Mode
4
Ver. 1.4
July 30, 2003
SONIX [ SONIX TECHNOLOGY COMPANY ]
