SN56016
4-Channel Speech Controller
3.
Block Diagram
ROM
Program/Speech/Instrument waveform
Address Pointer
PC/Data Pointer/Stack/Speech Pointer
SRAM
Timer
ALU
IO2
WDT
Timing
Generator
OSC
Sampling Rate Counter
Voice
Synthesizer
IO3
Push Pull
IO6
IO1
4.
PIN ASSIGNMENT
Symbol
P13, P12, P11, P10
P23, P22, P21, P20
P33, P32, P31, P30
P63, P62, P61, P60
VDD
GND
OSC/XIN
XOUT
CKSEL
I/O
I/O
I/O
I/O
I/O
I
I
I
O
I
Function Description
Bit3 ~ Bit0 of I/O port 1
Bit3 ~ Bit0 of I/O port 2
Bit3 ~ Bit0 of I/O port 3
Bit3 ~ Bit0 of I/O port 6
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 ]
