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AT83SND1C 데이터시트(HTML) 5 Page - ATMEL Corporation

부품명 AT83SND1C
상세내용  Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
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제조사  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
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AT83SND1C 데이터시트(HTML) 5 Page - ATMEL Corporation

 
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5
4109J–8051–10/06
AT8xC51SND1C
Figure 4-3.
AT8xC51SND1C 84-pin PLCC Package
4.2
Signals
All the AT8xC51SND1C signals are detailed by functionality in Table 1 to Table 14.
Table 1. Ports Signal Description
AT89C51SND1C-SR (FLASH)
65
64
63
62
61
60
59
58
55
56
57
12
13
14
15
16
17
22
20
19
NC
P2.3/A11
P2.4/A12
P2.6/A14
P2.5/A13
P2.7/A15
MCLK
MDAT
MCMD
PAVSS
VSS
X2
NC
X1
18
21
23
24
25
69
68
67
66
70
VSS
VDD
RST
SCLK
DSEL
DCLK
DOUT
P1.0/KIN0
P1.1/KIN1
P1.2/KIN2
P1.3/KIN3
P1.4
P1.5
P1.7/SDA
FILT
PAVDD
VDD
P1.6/SCL
26
TST
P2.2/A10
54
ALE
ISP
28
27
29
30
31
32
UVDD
UVSS
74
73
72
71
P4.4
P4.5
VDD
VSS
Signal
Name
Type
Description
Alternate
Function
P0.7:0
I/O
Port 0
P0 is an 8-bit open-drain bidirectional 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 VSS.
AD7:0
P1.7:0
I/O
Port 1
P1 is an 8-bit bidirectional I/O port with internal pull-ups.
KIN3:0
SCL
SDA
P2.7:0
I/O
Port 2
P2 is an 8-bit bidirectional I/O port with internal pull-ups.
A15:8


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