SNC82085
12-Channel MIDI/Speech Controller
Ver: 1.5 Sep. 8, 2006
4
3 PIN ASSIGNMENT
Symbol I/O Function Description
P00 ~ P07 I/O Bit7 ~ Bit0 of I/O port 0
P10 ~ P17 I/O Bit7 ~ Bit0 of I/O port 1
P20 ~ P27 I/O Bit7 ~ Bit0 of I/O port 2
VDDVR P Positive power supply for ROSC
GNDVR P Negative power supply for ROSC
VDDPP P Positive power supply for Direct Drive
GNDPP P Negative power supply for Direct Drive
CVDD P Positive power supply for internal circuit
VDD P Positive power supply for I/O
GND P Negative power supply
REGOUT P 3V regulator output
RST I Chip Reset (Active low)
XIN I High clock Crystal In
XOUT O High clock Crystal Out
LXIN I Low clock Crystal In
LXOUT O Low clock Crystal Out
CKSEL I
Clock type select
‘VDD’ RC oscillator
‘GND’Crystal
TestM I Test Pin
VO O DA output
BN0 O Direct Drive negative output
BP0 O Direct Drive positive output
