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W78L054A PDF даташит

Спецификация W78L054A изготовлена ​​​​«Winbond» и имеет функцию, называемую «8-BIT MICROCONTROLLER».

Детали детали

Номер произв W78L054A
Описание 8-BIT MICROCONTROLLER
Производители Winbond
логотип Winbond логотип 

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W78L054A Даташит, Описание, Даташиты
W78LE54/W78L054A
8-BIT MICROCONTROLLER
Table of Contents-
1. GENERAL DESCRIPTION............................................................................................................. 2
2. FEATURES .................................................................................................................................... 2
3. PIN CONFIGURATIONS................................................................................................................ 3
4. PIN DESCRIPTION........................................................................................................................ 4
5. FUNCTIONAL DESCRIPTION....................................................................................................... 5
5.1 Eight-source interrupt informations: .................................................................................... 6
6. ON-CHIP FLASH EPROM CHARACTERISTICS ........................................................................ 10
7. SECURITY BITS .......................................................................................................................... 12
8. ABSOLUTE MAXIMUM RATINGS............................................................................................... 13
9. DC CHARACTERISTICS ............................................................................................................. 14
10. AC CHARACTERISTICS ............................................................................................................. 16
11. TIMING WAVEFORMS ................................................................................................................ 19
12. TYPICAL APPLICATION CIRCUITS ........................................................................................... 22
13. PACKAGE DIMENSIONS ............................................................................................................ 24
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Publication Release Date: December 4, 2006
- 1 - Revision A6









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W78L054A Даташит, Описание, Даташиты
W78LE54/W78L054A
1. GENERAL DESCRIPTION
The W78L054A is an 8-bit microcontroller which can accommodate a wide supply voltage range with
low power consumption. The instruction set for the W78L054A is fully compatible with the standard
8051. The W78L054A contains an 16K bytes Flash EPROM; a 256 bytes RAM; four 8-bit bi-directional
and bit-addressable I/O ports; an additional 4-bit I/O port P4; three 16-bit timer/counters; a hardware
watchdog timer and a serial port. These peripherals are supported by eight sources two-level interrupt
capability. To facilitate programming and verification, the Flash EPROM inside the W78L054A allows
the program memory to be programmed and read electronically. Once the code is confirmed, the user
can protect the code for security.
The W78L054A microcontroller has two power reduction modes, idle mode and power-down mode,
both of which are software selectable. The idle mode turns off the processor clock but allows for
continued peripheral operation. The power-down mode stops the crystal oscillator for minimum power
consumption. The external clock can be stopped at any time and in any state without affecting the
processor.
2. FEATURES
Fully static design 8-bit CMOS microcontroller
Wide supply voltage of 2.4V to 5.5V
256 bytes of on-chip scratchpad RAM
16 KB electrically erasable/programmable Flash EPROM
64 KB program memory address space
64 KB data memory address space
Four 8-bit bi-directional ports
One extra 4-bit bit-addressable I/O port, additional INT2 / INT3
(available on 44-pin PLCC/QFP package)
Three 16-bit timer/counters
One full duplex serial port(UART)
Watchdog Timer
Eight sources, two-level interrupt capability
EMI reduction mode
Built-in power management
Code protection mechanism
Packages:
Lead Free (RoHS) DIP 40: W78L054A24DL
Lead Free (RoHS) PLCC 44: W78L054A24PL
Lead Free (RoHS) PQFP 44: W78L054A24FL
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W78L054A Даташит, Описание, Даташиты
W78LE54/W78L054A
3. PIN CONFIGURATIONS
40-Pin DIP
T2, P1.0
T2EX, P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
RXD, P3.0
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
WR, P3.6
RD, P3.7
XTAL2
XTAL1
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 VDD
39 P0.0, AD0
38 P0.1, AD1
37 P0.2, AD2
36 P0.3, AD3
35 P0.4, AD4
34 P0.5, AD5
33 P0.6, AD6
32 P0.7, AD7
31 EA
30 ALE
29 PSEN
28 P2.7, A15
27 P2.6, A14
26 P2.5, A13
25 P2.4, A12
24 P2.3, A11
23 P2.2, A10
22 P2.1, A9
21 P2.0, A8
44-Pin PLCC
/
TI
2 N AAAA
ET T DDDD
X2 3 0 1 2 3
,, ,
,, , ,
P P P PP P PP P P
1 1 1 11 4V 00 0 0
. . . . . . D. . . .
4 3 2 10 2D 01 2 3
P1.5
P1.6
P1.7
RST
RXD, P3.0
INT2, P4.3
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
6 5 4 3 2 1 44 43 42 41 40
7 39
8 38
9 37
10 36
11 35
12 34
13 33
14 32
15 31
16 30
17 29
18 19 20 21 22 23 24 25 26 27 28
PP XXVPPP P P P
33 TTS4 22 2 2 2
. . AAS. . . . . .
67 LL 001 2 3 4
, , 21
,, , , ,
/ / AA A A A
WR
89 1 1 1
RD
012
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
P4.1
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13
44-Pin QFP
/
TI
2 N AAAA
ET T DDDD
X2 3 0 1 2 3
,, ,
,, , ,
P P P PP P PP P P
1 1 1 11 4V 00 0 0
. . . . . . D. . . .
4 3 2 10 2D 01 2 3
P1.5
P1.6
P1.7
RST
RXD, P3.0
INT2, P4.3
TXD, P3.1
INT0, P3.2
INT1, P3.3
T0, P3.4
T1, P3.5
44 43 42 41 40 39 38 37 36 35 34
1 33
2 32
3 31
4 30
5 29
6 28
7 27
8 26
9 25
10 24
11 23
12 13 14 15 16 17 18 19 20 21 22
PP X X V PPP P P P
33 TTS422 2 2 2
. . AAS. . . . . .
67 L L 001 2 3 4
, , 21
,, , , ,
/ / AA A A A
WR
89 1 1 1
RD
0 12
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
P4.1
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13
Publication Release Date: December 4, 2006
- 3 - Revision A6
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