20
AVR-2805/985/AVC-2890
30 P66/RXD1 RxD I - Lv - Ed Z Data receive input from outside
31 P65/CLK1 NC O C - - - Z NC
32 P64/CTS1 REQ O C - - Ed Z
MAIN/SUB-µcom comm. control output
(RTS from SUB-µcom L)
33 P63/TXD0 MISO O C - - Ed Z MAIN/SUB-µcom comm. control terminal (Data output)
34 P62/RXD0 MOSI I - - - Ed Z MAIN/SUB-µcom comm. control terminal (Data input)
35 P61/CLK0 DIR CLK O C - - - Z DIR control pin (LC89057W-E), control clock output
36 P60/CTS0 DIR DIN O C - - Eu Z DIR control pin (LC89057W-E), control data output
37 P57 DIR DOUT I - - - Eu Z DIR control input pin (LC89057W-E), control data input
38 P56 NC O C - - - Z NC
39 P55/EPM FLASH EPM I - Lv - - Z Rewirte boot start: L
40 P54 X'TALRST O C - - - H(Iu) Clock for DIR (L: Osc. Stop)
41 P53 DIR CE O C - - - H(Iu) DIR control pin (LC89057W-E), chip enable output
42 P52 DIR_RST O C - - Ed H(Iu) DIR control output (LC89057W-E), Reset: L
43 P51 NC O C - - - Z NC
44 P50/CE FLASH CE I - - - - Z Rewirte boot program start: H input set
45 P47 NC O C - - - Z NC
46 P46 NC O C - - - Z NC
47 P45 NC O C - - - Z NC
48 P44 NC O C - - - Z NC
49 P43 NC O C - - - Z NC
50 P42 NC O C - - - Z NC
51 P41 NC O C - - - Z NC
52 P40 NC O C - - - Z NC
53 P37 DINA O C - - - Z Digital input switching
54 P36 DINB O C - - - Z Digital input switching
55 P35 DINC O C - - - Z Digital input switching
56 P34 DRECA O C - - - Z Digital RECOUT switching
57 P33 DRECB O C - - - Z Digital RECOUT switching
58 P32 DRECC O C - - - Z Digital RECOUT switching
59 P31 NC O C - - - Z NC
60 VCC VCC - - - - - - +5V
61 P30 NC O C - - - Z NC
62 VSS VSS - - - - - - GND
63 P27 NC O C - - - Z NC
64 P26 (I/O7 SBR) O C - - - Z DSP comm. Terminal
65 P25 (I/O6 SBL) O C - - - Z DSP comm. Terminal
66 P24 NC O C - - - Z NC
67 P23 NC O C - - - Z NC
68 P22 NC O C - - - Z NC
69 P21 NC O C - - - Z NC
70 P20 NC O C - - - Z NC
71 P17/INT5 NC O C - - - Z NC
72 P16/INT4 NC O C - - - Z NC
73 P15/INT3 NC O C - - - Z NC
74 P14/D12 NC O C - - - Z NC
75 P13/D11 NC O C - - - Z NC
76 P12/D10 NC O C - - - Z NC
77 P11/D9 NC O C - - - Z NC
78 P10/D8 NC O C - - - Z NC
79 P07/D7 ROM_RST1 O C - - Ed Z Memory reset for DSP (reset: L)
80 P06/D6 DSP1_RS O C - - - Z DSP reset output pin (reset: L)
81 P05/D5 DSP I/0 POWER O C - - Eu Z
POWER ON="L" (After 10ms from DIGITAL POWER ON)
82 P04/D4 DSP OSC ON O C - - - Z ON="L" (After 20ms from DIGITAL POWER ON)
83 P03/D3 NC O C - - - Z NC
84 P02/D2 FLAG 0A I - - - Ed Z E2PROM chip select control for DSP
Pin
No.
Pin Name Symbol I/O Type Det
Op
(Int.)
Op
(Ext.)
Res Function
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
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