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PDF W77LE58 Data sheet ( Hoja de datos )

Número de pieza W77LE58
Descripción 8-BIT MICROCONTROLLER
Fabricantes Winbond　
Logotipo Winbond Logotipo



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No Preview Available ! W77LE58 Hoja de datos, Descripción, Manual

W77LE58
8-BIT MICROCONTROLLER
Table of Contents--
GENERAL DESCRIPTION...............................................................................................................................2
FEATURES ......................................................................................................................................................2
PIN CONFIGURATIONS..................................................................................................................................3
PIN DESCRIPTION..........................................................................................................................................4
BLOCK DIAGRAM ...........................................................................................................................................5
FUNCTIONAL DESCRIPTION.........................................................................................................................6
MEMORY ORGANIZATION .............................................................................................................................7
Instruction ...................................................................................................................................................26
InstructionTiming ........................................................................................................................................34
Power Management ...................................................................................................................................42
Reset Conditions ........................................................................................................................................44
Reset State.................................................................................................................................................45
PROGRAMMABLE TIMERS/COUNTERS .....................................................................................................49
TIMED ACCESS PROTECTION....................................................................................................................64
ON-CHIP FLASH EPROM CHARACTERISTICS ..........................................................................................65
SECURITY BITS ............................................................................................................................................67
ABSOLUTE MAXIMUM RATINGS .................................................................................................................68
DC ELECTRICAL CHARACTERISTICS ........................................................................................................69
AC ELECTRICAL CHARACTERISTICS ........................................................................................................70
TYPICAL APPLICATION CIRCUITS..............................................................................................................75
Expanded External Program Memory and Crystal .....................................................................................75
Expanded External Data Memory and Oscillator........................................................................................76
Expanded External Data Memory and Oscillator........................................................................................76
PACKAGE DIMENSIONS ..............................................................................................................................76
40-pin DIP ..................................................................................................................................................76
44-pin PLCC ...............................................................................................................................................77
44-pin QFP .................................................................................................................................................77
Publication Release Date: December 2000
- 1 - Revision A2

1 page




W77LE58 pdf
BLOCK DIAGRAM
W77LE58
P1.0
P1.7
P3.0
P3.7
P4.0
P4.3
Port Port 1
1 Latch
ACC
B
T1 Register T2 Register
Port 0
Latch
P0.0
Port
0 P0.7
Interrupt
Timer
2
Timer
0
Timer
1
2 UARTs
Port
3
Port
4
Port 3
Latch
Port 4
Latch
Oscillator
PSW
Instruction
Decoder
&
Sequencer
Bus & lock
Controller
ALU
Stack
Pointer
SFR RAM Address
256 bytes
RAM & SFR
1KB SRAM
DPTR
DPTR 1
Temp Reg.
PC
Incrementor
Addr. Reg.
Address
Bus
32KB ROM
Port 2
Latch
Port
2
P2.0
P2.7
Reset Block
Power control
&
Power monitor
Watchdog Timer
XTAL1 XTAL2 ALE PSEN RST
VCC GND
Publication Release Date: December 2000
- 5 - Revision A2

5 Page





W77LE58 arduino
W77LE58
Data Pointer Low
Bit: 7 6 5 4 3 2 1 0
DPL.7 DPL.6 DPL.5 DPL.4 DPL.3 DPL.2 DPL.1 DPL.0
Mnemonic: DPL
Address: 82h
This is the low byte of the standard 8052 16-bit data pointer.
Data Pointer High
Bit: 7
DPH.7
Mnemonic: DPH
6
DPH.6
5
DPH.5
4
DPH.4
321
DPH.3 DPH.2 DPH.1
Address: 83h
0
DPH.0
This is the high byte of the standard 8052 16-bit data pointer.
Data Pointer Low1
Bit: 7 6 5 4 3 2 1 0
DPL1.7 DPL1.6 DPL1.5 DPL1.4 DPL1.3 DPL1.2 DPL1.1 DPL1.0
Mnemonic: DPL1
Address: 84h
This is the low byte of the new additional 16-bit data pointer that has been added to the W77LE58. The
user can switch between DPL, DPH and DPL1, DPH1 simply by setting register DPS = 1. The
instructions that use DPTR will now access DPL1 and DPH1 in place of DPL and DPH. If they are not
required they can be used as conventional register locations by the user.
Data Pointer High1
Bit: 7 6 5 4 3 2 1 0
DPH1.7 DPH1.6 DPH1.5 DPH1.4 DPH1.3 DPH1.2 DPH1.1 DPH1.0
Mnemonic: DPH1
Address: 85h
This is the high byte of the new additional 16-bit data pointer that has been added to the W77LE58.
The user can switch between DPL, DPH and DPL1, DPH1 simply by setting register DPS = 1. The
instructions that use DPTR will now access DPL1 and DPH1 in place of DPL and DPH. If they are not
required they can be used as conventional register locations by the user.
Data Pointer Select
Bit: 7 6 5 4 3 2 1 0
- - - - - - - DPS.0
Mnemonic: DPS
Address: 86h
DPS.0: This bit is used to select either the DPL, DPH pair or the DPL1, DPH1 pair as the active Data
Pointer. When set to 1, DPL1, DPH1 will be selected, otherwise DPL, DPH will be selected.
- 11 -
Publication Release Date: December 2000
Revision A2

11 Page







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