T83C51SND1 데이터 시트보기 (PDF) - Atmel Corporation
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T83C51SND1 Datasheet PDF : 60 Pages
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Figure 2. T8xC51SND1 84-pin PLCC Package
ALE 12
ISP# 13
P1.0/KIN0 14
P1.1/KIN1 15
P1.2/KIN2 16
P1.3/KIN3 17
P1.4 18
P1.5 19
P1.6/SCL 20
P1.7/SDA 21
VDD 22
PAVDD 23
FILT 24
PAVSS 25
VSS 26
X2 27
NC 28
X1 29
TST# 30
UVDD 31
UVSS 32
T89C51SND1-SR (FLASH)
74 NC
73 P4.5
72 P4.4
71 P2.2/A10
70 P2.3/A11
69 P2.4/A12
68 P2.5/A13
67 P2.6/A14
66 P2.7/A15
65 VSS
64 VDD
63 MCLK
62 MDAT
61 MCMD
60 RST
59 SCLK
58 DSEL
57 DCLK
56 DOUT
55 VSS
54 VDD
4.2 Signals
All the T8xC51SND1 signals are detailed by functionality in Table 1 to Table 14.
Table 1. Ports Signal Description
Signal
Name
P0.7:0
P1.7:0
Type
Description
Port 0
P0 is an 8-bit open-drain bidirectional I/O port. Port 0 pins that have 1s
I/O 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 VDD or VSS.
I/O
Port 1
P1 is an 8-bit bidirectional I/O port with internal pull-ups.
Alternate
Function
AD7:0
KIN3:0
SCL
SDA
4 T8xC51SND1
Rev. D – 15-Nov-01
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