SN56060
4-Channel Speech Controller
3. Block Diagram
ROM
Program/Speech/Instrument waveform
Address Pointer
Timing
OSC
PC/Data Pointer/Stack/Speech Pointer
Generator
SRAM
Sampling Rate Counter
Voice
ALU
WDT
Push Pull
IO1
Synthesizer
IO2
IO3
IO6
4. PIN ASSIGNMENT
Symbol
I/O Function Description
P13, P12, P11, P10 I/O Bit3 ~ Bit0 of I/O port 1
P23, P22, P21, P20 I/O Bit3 ~ Bit0 of I/O port 2
P33, P32, P31, P30 I/O Bit3 ~ Bit0 of I/O port 3
P63, P62, P61, P60 I/O Bit3 ~ Bit0 of I/O port 6
VDD
GND
OSC/XIN
XOUT
I
I
I
O
I
Positive power supply
Negative power supply
Oscillator / Crystal In
Crystal Out / 1Khz output
Clock type select
CKSEL
‘L’ or floating → RC oscillator
‘H’ →Crystal
Positive Output of Push Pull
Negative Output of Push Pull
RST=1ꢁReset Chip (Active H)
BUO1
BUO2
RST
O
O
I
4
Ver: 1.0
March 2,2005
SONIX [ SONIX TECHNOLOGY COMPANY ]
