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AT89C5115 데이터 시트보기 (PDF) - Atmel Corporation
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AT89C5115
Low Pin Count 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
Atmel Corporation
AT89C5115 Datasheet PDF : 113 Pages
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SFR Mapping
Tables 3 through Table 11 show the Special Function Registers (SFRs) of the
T89C5115.
Table 2.
C51 Core SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
ACC
E0h Accumulator
B
F0h B Register
PSW
D0h Program Status Word
CY
AC
F0
RS1
RS0
OV
F1
P
SP
81h Stack Pointer
Data Pointer Low
DPL
82h
byte
LSB of DPTR
DPH
Data Pointer High
83h byte
MSB of DPTR
Table 3.
I/O Port SFRs
Mnemonic Add Name
P1
90h Port 1
P2
A0h Port 2 (x2)
P3
B0h Port 3
P4
C0h Port 4 (x2)
7
6
5
4
3
2
1
0
Table 4.
Timers SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
TH0
8Ch
Timer/Counter 0 High
byte
TL0
8Ah
Timer/Counter 0 Low
byte
TH1
8Dh
Timer/Counter 1 High
byte
TL1
8Bh
Timer/Counter 1 Low
byte
TH2
CDh
Timer/Counter 2 High
byte
TL2
CCh
Timer/Counter 2 Low
byte
TCON
88h
Timer/Counter 0 and
1 control
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
TMOD
89h
Timer/Counter 0 and
1 Modes
GATE1
C/T1#
M11
M01
GATE0
C/T0#
M10
M00
10
AT89C5115
4128G–8051–02/08
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