
19
AVR-2805/985/AVC-2890
M30622M8P (AD: IC517)
M30622M8P Terminal Function
Pin
No.
Pin Name
Symbol
I/O
Type
Det
Op
(Int.)
Op
(Ext.)
Res
Function
1
P94/TB4
DSP MS
O
C
-
-
Eu
Z
DSP control pin
2
P93/TB3
CLATCH
O
C
-
-
-
Z
CODEC control pin (AD1835: Chip select)
3
P92/SOUT3
CDATAIN
O
C
-
-
-
Z
CODEC control pin (AD1835)
4
P91/SIN3
CODEC_DATAOUT
I
-
-
-
Eu
Z
CODEC control pin (AD1835)
5
P90/CLK3
CODEC_CLK
O
C
-
-
-
Z
CODEC control pin (AD1835)
6
BYTE
BYTE
-
-
-
-
-
-
GND (Ext. data bus bit width switching, 16bit: L)
7
CNVCS
CNVSS
-
-
-
-
-
-
Single-chip/ Micro-processor mode switching (Normal
single-chip: L, Rewirte boot program start: H input set)
8
P87
DAC-RESET
O
C
-
-
-
Z
CODEC control pin ("L": Power Down mode,
"
↑
(rising edge)": Reset, "H": Normal)
9
P86
NC
O
C
-
-
-
Z
NC
10
RESET
RESET
I
-
-
-
-
L
Reset input (Reset: L)
11
XOUT
X1
O
-
-
-
-
-
Oscillator connection
-
-
-
-
-
-
GND
I
-
-
-
-
-
Oscillator connection
-
-
-
-
-
-
+5V
I
-
-
-
-
-
Not used (Fixed to H)
I
-
E
↓
L
-
Eu
Z
DIR control pin (LC89057W-E)
I
-
E
↓
L
-
Ed
Z
MAIN/SUB-µcom comm. control input
(ACK from MAIN µcom L retum)
I
-
Lv
-
Eu
Z
Power down detect (Power down: L)
O
C
-
-
-
Z
NC
O
C
-
-
-
Z
NC
21
P77
DIGITAL POWER
O
C
-
-
Ed
Z
DIGITAL power on/off switching (H: ON)
22
P76
FGAIN
O
C
-
-
Ed
Z
IV AMP GAIN switching control output
(Subwoofer YES: L)
23
P75
NC
O
C
-
-
-
Z
NC
24
P74
NC
O
C
-
-
-
Z
NC
25
P73/CTS2
NC
O
C
-
-
-
Z
NC
26
P72/CLK2
NC
O
C
-
-
-
Z
NC
27
P71/RXD2
VPP
I
C
-
-
-
-
Normal: H, Writing flash ROM for DSP: L
28
P70/TXD2
NC
O
C
-
-
-
Z
NC
29
P67/TXD1
TxD
O
C
-
-
Ed
Z
Data transfer output to outside
75
76
100
1
25
26
50
51
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