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W77E58F-40 Schematic ( PDF Datasheet ) - Winbond

Teilenummer W77E58F-40
Beschreibung 8 BIT MICROCONTROLLER
Hersteller Winbond
Logo Winbond Logo 




Gesamt 70 Seiten
W77E58F-40 Datasheet, Funktion
Preliminary W77E58
www.DataSheet4U.com
8 BIT MICROCONTROLLER
Table of Contents--
GENERAL DESCRIPTION ..............................................................................................................................2
FEATURES ......................................................................................................................................................2
PIN CONFIGURATION ....................................................................................................................................3
PIN DESCRIPTION..........................................................................................................................................4
BLOCK DIAGRAM ...........................................................................................................................................6
FUNCTIONAL DESCRIPTION ........................................................................................................................7
MEMORY ORGANIZATION.............................................................................................................................8
INSTRUCTION ...........................................................................................................................................29
INSTRUCTION TIMING .............................................................................................................................37
POWER MANAGEMENT ..........................................................................................................................46
RESET CONDITIONS................................................................................................................................48
RESET STATE...........................................................................................................................................49
PROGRAMMABLE TIMERS/COUNTERS ....................................................................................................53
TIMED ACCESS PROTECTION ...................................................................................................................70
ON-CHIP MTP ROM CHARACTERISTICS...................................................................................................71
SECURITY BITS ............................................................................................................................................74
ABSOLUTE MAXIMUM RATINGS ................................................................................................................75
DC ELECTRICAL CHARACTERISTICS ......................................................................................................76
AC ELECTRICAL CHARACTERISTICS........................................................................................................77
TYPICAL APPLICATION CIRCUITS .............................................................................................................82
Expanded External Program Memory and Crystal......................................................................................82
Expanded External Data Memory and Oscillator ........................................................................................83
PACKAGE DIMENSIONS..............................................................................................................................83
40-pin DIP...................................................................................................................................................83
44-pin PLCC ...............................................................................................................................................84
44-pin QFP .................................................................................................................................................84
Publication Release Date: March 1999
- 1 - Revision A1






W77E58F-40 Datasheet, Funktion
Preliminary W77E58
BLOCK DIAGRAM
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
-6-

6 Page









W77E58F-40 pdf, datenblatt
Preliminary W77E58
A brief description of the SFRs now follows.
PORT 0
Bit: 7 6 5 4 3 2 1 0
P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 P0.0
Mnemonic: P0
Address: 80h
Port 0 is an open-drain bi-directional I/O port. This port also provides a multiplexed low order
address/data bus during accesses to external memory.
STACK POINTER
Bit: 7 6 5 4 3 2 1 0
SP.7 SP.6 SP.5 SP.4 SP.3 SP.2 SP.1 SP.0
Mnemonic: SP
Address: 81h
The Stack Pointer stores the Scratchpad RAM address where the stack begins. In other words, it
always points to the top of the stack.
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
- 12 -

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