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The W78C54 is a derivative of the W78C52 microcontroller family that provides extended internal ROM. The chip has 16K bytes of mask ROM and 256 bytes of RAM.
This device provides an enhanced architecture that makes it more powerful and suitable for a variety of applications for general control systems. It provides on-chip 16KB mask ROM to accommodate large program codes, 256-bytes of non-volatile on-chip RAM, four 8-bit I/O ports, one 4-bit I/O port, three 16-bit timer/counters, eight sources with two-level interrupt structures, and on-chip oscillator clock circuits.
FEATURES
· DC to 40 MHz extensive operating frequency
· 256-byte on-chip scratch pad RAM
· 16K-byte on-chip mask ROM
· 64K-byte address space for external Program Memory
· 64K-byte address space for external Data Memory
· Three 16-bit timer/counters
· Four 8-bit bit-addressable I/O ports
· One extra 4-bit bit-addressable I/O port, additional INT2/ INT3 (Available on 44-pin PLCC/QFP package)
· Eight-source, two priority-level interrupts
· Low EMI emission mode
· Built-in programmable power-saving modes - Idle mode & Power-down mode
· Packages:
- DIP 40: W78C54-16/24/40
- PLCC 44: W78C54P-16/24/40
- QFP 44: W78C54F-16/24/40
- TQFP 44: W78C54M-16/24/40
Specifications
Attribute
Attribute Value
Manufacturer
Winbond Electronics
Product Category
Microcontrollers
Series
W78
Packaging
Tube
Package-Case
44-LCC (J-Lead)
Operating-Temperature
0°C ~ 70°C (TA)
Supplier-Device-Package
*
Number-of-I-O
32 I/O
Speed
40MHz
EEPROM-Size
-
Core-Processor
8051
RAM-Size
256 x 8
Program Memory
ROMless
Peripherals
-
Connectivity
EBI/EMI, Serial Port
Voltage-Supply-Vcc-Vdd
4.5 V ~ 5.5 V
Core-Size
8-Bit
Program-Memory-Size
-
Data-Converters
-
Oscillator-Type
Internal
Descriptions
8051 W78 Microcontroller IC 8-Bit 40MHz ROMless
MCU 8-bit 8051 CISC ROMLess 5V 44-Pin PLCC
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2005
Total Annual:
1000000-3000000
Employee Number:
100~150
Ecer Certification:
Verified Supplier
Our company, founded in 2005, has built long-term partnerships with numerous high-quality suppliers worldwide.
We specialize in providing customers with new and original products. To ensure quality, our technicians rigorously test all products before shipment, offering customers the strongest ass... Our company, founded in 2005, has built long-term partnerships with numerous high-quality suppliers worldwide.
We specialize in providing customers with new and original products. To ensure quality, our technicians rigorously test all products before shipment, offering customers the strongest ass...