SN52010
2-Channel Speech Controller
3.
Block Diagram
ROM
Program/Speech/Instrument waveform
Address Pointer
PC/Data Pointer/Stack/Speech Pointer
SRAM
Timer
ALU
IO3
Timing
Generator
OSC
Sampling Rate
Push Pull
WDT
Voice
Synthesizer
4.
PIN ASSIGNMENT
Symbol
P33, P32, P31, P30
VDD
GND
OSC/XIN
XOUT
CKSEL
I/O
I/O
I
I
I
O
I
Function Description
Bit3 ~ Bit0 of I/O port 3
Positive power supply
Negative power supply
Oscillator / Crystal In
Crystal Out / 1Khz output
Clock type select
‘L’ or floating
→
RC oscillator
‘H’
→Crystal
Positive Output of Push Pull
Negative Output of Push Pull
RST=1 Reset Chip (Active H)
BUO1
BUO2
RST
O
O
I
Ver: 1.0
4
March 2,2005
SONIX [ SONIX TECHNOLOGY COMPANY ]
