參數(shù)資料
型號(hào): DOC4106
廠商: Atmel Corp.
英文描述: Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
中文描述: 單片微控制器,帶有MP3解碼器和人機(jī)界面
文件頁(yè)數(shù): 4/47頁(yè)
文件大小: 791K
代理商: DOC4106
4
AT8xC51SND1C
4106F–8051–10/02
Figure 2.
AT8xC51SND1C 84-pin PLCC Package
(1)
Note:
1. Only samples for development board.
Pin Descriptions
All AT8xC51SND1C signals are detailed by functionality in Table 1 through Table 14.
AT89C51SND1C-SR (Flash)
P
P
P
V
V
D
P
P
P
P
P
P
P
P
P
65
64
63
62
61
60
59
58
57
55
54
56
12
13
14
15
16
17
18
22
23
24
25
26
27
20
21
19
3
3
3
3
3
4
3
2
1
8
8
8
8
8
7
7
NC
P4.5
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
VSS
V
DD
MCLK
MDAT
MCMD
RST
SCLK
DSEL
DCLK
DOUT
VSS
P
P
P
PAVSS
VSS
X2
NC
X1
P
3
3
4
4
4
69
68
67
66
70
5
6
7
8
9
P
P
P
P
A
A
A
A
A
A
V
D
V
V
D
P
P
P1.0/KIN0
P1.1/KIN1
P1.2/KIN2
P1.3/KIN3
P1.4
P1.5
P1.7/SDA
FILT
PA
V
DD
V
DD
P1.6/SCL
4
TST
U
V
DD
UVSS
P
P
7
P2.2/A10
ALE
ISP
N
P
P
P
7
7
1
1
28
29
30
31
32
4
4
4
4
4
4
5
5
5
5
74
73
72
71
P4.4
V
DD
D
D
N
P
Table 1.
Ports Signal Description
Signal
Name
Type
Description
Alternate
Function
P0.7:0
I/O
Port 0
P0 is an 8-bit open-drain bi-directional I/O port. Port 0 pins that have 1s
written to them float and can be used as high impedance inputs. To
avoid any parasitic current consumption, floating P0 inputs must be
polarized to
V
DD
or V
SS
.
AD7:0
P1.7:0
I/O
Port 1
P1 is an 8-bit bi-directional I/O port with internal pull-ups.
KIN3:0
SCL
SDA
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