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
12 VSS VSS - - - - - - GND
13 XIN X2 I - - - - - Oscillator connection
14 VCC VCC - - - - - - +5V
15 P85/NMI _NMI I - - - - - Not used (Fixed to H)
16 P84/INT2 INT1 I -
E ↓ L
- Eu Z DIR control pin (LC89057W-E)
17 P83/INT1 ACK I -
E ↓ L
-EdZ
MAIN/SUB-µcom comm. control input
(ACK from MAIN µcom L retum)
18 P82/INT0 B.DOWN I - Lv - Eu Z Power down detect (Power down: L)
19 P81 NC O C - - - Z NC
20 P80 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
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
To Next Page
Loading...
