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PDF W77E58P-25 Data sheet ( Hoja de datos )

Número de pieza W77E58P-25
Descripción 8 BIT MICROCONTROLLER
Fabricantes Winbond 
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No Preview Available ! W77E58P-25 Hoja de datos, Descripción, Manual

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

1 page




W77E58P-25 pdf
Preliminary W77E58
Pin Description, continued
SYMBOL TYPE
DESCRIPTIONS
P3.0P3.7 I/O PORT 3: Port 3 is a bi-directional I/O port with internal pull-ups. All bits have
alternate functions, which are described below:
RXD(P3.0) : Serial Port 0 input
TXD(P3.1) : Serial Port 0 output
INT0 (P3.2) : External Interrupt 0
INT1 (P3.3) : External Interrupt 1
T0(P3.4) : Timer 0 External Input
T1(P3.5) : Timer 1 External Input
WR (P3.6) : External Data Memory Write Strobe
P4.0P4.3
RD (P3.7) : External Data Memory Read Strobe
I/O PORT 4: Port 4 is a 4-bit bi-directional I/O port. The P4.0 also provides the
alternate function WAIT which is the wait state control signal.
* Note: TYPE I: input, O: output, I/O: bi-directional.
Publication Release Date: March 1999
- 5 - Revision A1

5 Page





W77E58P-25 arduino
Preliminary W77E58
Special Function Registers
The W77E58 uses Special Function Registers (SFRs) to control and monitor peripherals and their
Modes.
The SFRs reside in the register locations 80-FFh and are accessed by direct addressing only. Some
of the SFRs are bit addressable. This is very useful in cases where one wishes to modify a particular
bit without changing the others. The SFRs that are bit addressable are those whose addresses end in
0 or 8. The W77E58 contains all the SFRs present in the standard 8052. However, some additional
SFRs have been added. In some cases unused bits in the original 8052 have been given new
functions. The list of SFRs is as follows. The table is condensed with eight locations per row. Empty
locations indicate that there are no registers at these addresses. When a bit or register is not
implemented, it will read high.
Table 1. Special Function Register Location Table
F8 EIP
F0 B
E8 EIE
E0 ACC
D8 WDCON
D0 PSW
C8 T2CON T2MOD RCAP2L RCAP2H TL2
TH2
C0 SCON1 SBUF1 ROMMAP
PMR
STATUS
TA
B8 IP
SADEN SADEN1
B0 P3
A8 IE
SADDR SADDR1
A0 P2
P4
98 SCON0 SBUF
90 P1
EXIF
88 TCON TMOD TL0 TL1 TH0 TH1 CKCON
80 P0
SP
DPL
DPH
DPL1
DPH1
DPS
PCON
Note: The SFRs in the column with dark borders are bit-addressable.
- 11 -
Publication Release Date: March 1999
Revision A1

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