SNC82340
12-Channel MIDI/Speech Controller
3 PIN ASSIGNMENT
Symbol
P00 ~ P07
P10 ~ P17
P20 ~ P27
VDDVR
GNDVR
VDDPP
GNDPP
CVDD
I/O
Function Description
I/O Bit7 ~ Bit0 of I/O port 0
I/O Bit7 ~ Bit0 of I/O port 1
I/O Bit7 ~ Bit0 of I/O port 2
P
P
P
P
P
P
P
P
I
Positive power supply for ROSC
Negative power supply for ROSC
Positive power supply for Direct Drive
Negative power supply for Direct Drive
Positive power supply for internal circuit
Positive power supply for I/O
Negative power supply
3V regulator output
VDD
GND
REGOUT
RST
Chip Reset (Active low)
High clock Crystal In
XIN
I
XOUT
O
I
High clock Crystal Out
LXIN
Low clock Crystal In
LXOUT
O
Low clock Crystal Out
Clock type select
CKSEL
I
‘VDD’ internal RC oscillator
‘GND’ Crystal
TestM
VO
I
Test Pin
O
O
O
DA output
BN0
BP0
Direct Drive negative output
Direct Drive positive output
4
Ver: 1.6
Sep.8, 2006
SONIX [ SONIX TECHNOLOGY COMPANY ]
