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SN66040B Datasheet(PDF) 2 Page - SONiX Technology Company

Part # SN66040B
Description  4-Channel Speech Controller
PDF  11 Pages
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Manufacturer  SONIX [SONiX Technology Company]
Direct Link  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN66040B Datasheet(HTML) 2 Page - SONiX Technology Company

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SN66040B
4-Channel Speech Controller
3 Block Diagram
Sampling Rate Counter
× 4
Timing
Generator
IO4
DA8-bit
Timer
SRAM (128 nibbles)
ALU
Voice
Synthesizer
IO2
IO3
IO1
DA8-bit
Address Pointers/ STACK
OSC
ROM
Program/Speech/Melody/Instrument waveform
128K
×12 bits
4 PIN ASSIGNMENT
Symbol
I/O Function Description
P13, P12, P11, P10
I
Bit3 ~ Bit0 of input 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
P43, P42, P41, P40
O
Bit3 ~ Bit0 of output port 4
VDD
I
Positive power supply
GND
I
Negative power supply
OSC/XIN
I
Oscillator / Crystal In
XOUT
O
Crystal Out
CKSEL
I
Clock type select
‘L’ or floating
→ RC oscillator
‘H’
→Crystal
VO1
O
D/A current output, for channel 1 and 2
VO2
O
D/A current output, for channel 3 and 4
Ver: 1.1
December 6, 2004
2



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