Preliminary
SNC749
16-bit Voice Processor
Pull-Up
Resister
Pull-U
Select
PAD
Digital In
Input Control
Input Port Configuration of Port 1 (P1.0~P1.7)
IREN
P0.15
I/O Pad
Overflow
2
Timer2
P0.15 Modulated with a carry signal
8. TIMER/COUNTER
SNC749 provides three 8-bit timer/event counters (T0/T1/T2). Each timer is 8-bit
binary up-count timer with pre-scalar and auto-reload function. Timer 0 (T0) is used
when voice playing, so user should avoid to use T0.
TnC (8-bit)
/2
/4
/8
Enable
If equal, Time out
(system clock)/2*
8-bit Up
Counter
comparator
clear
/256
Pre-scalar
Auto-reload
10
Ver. 1.8
March 6, 2007
SONIX [ SONIX TECHNOLOGY COMPANY ]
