Key facts
- Brand
- Winbond
- Model
- W78E54
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-05-11
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Winbond W78E54 Microcontroller User Manual
The W78E54 is an 8‑bit CMOS microcontroller with a 16 KB flash EEPROM, 256 bytes of RAM, four 8‑bit I/O ports plus an extra 4‑bit port, three 16‑bit timer/counters and a full‑duplex serial port. It operates from DC‑40 MHz and offers idle and power‑down power‑reduction modes.
The manual includes a general description, pin configuration tables, functional description, timing and clock information, power‑management details, package options (DIP‑40, PLCC‑44, QFP‑44, TQFP‑44) and mechanical dimensions.
Winbond W78E54 specifications
| Flash EPROM | 16 KB |
|---|---|
| RAM | 256 bytes |
| Supply voltage | 4.5 V to 5.5 V |
| Package options | DIP‑40, PLCC‑44, PQFP‑44 |
| Timers | Three 16‑bit timer/counters |
| Serial port | Full‑duplex UART |
| Watchdog timer | Integrated watchdog timer |
All Winbond W78E54 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What power‑reduction modes does the W78E54B support?
It supports two power‑reduction modes: idle mode and power‑down mode, both selectable by software.
How many I/O ports are available on the W78E54B?
The device provides four 8‑bit bi‑directional I/O ports and an additional 4‑bit bit‑addressable port P4.
What is the flash EEPROM size of the W78E54?
The W78E54 contains a 16 KB flash EEPROM.
What power‑reduction modes are available?
The microcontroller supports idle mode and power‑down mode.
What is the supply voltage range for the W78E054C?
The microcontroller operates from 4.5 V to 5.5 V.
From: Winbond W78E54C/W78E054C 8-bit Microcontroller Datasheet
How much Flash memory does the W78E054C contain?
It includes a 16 KB electrically erasable/programmable Flash EPROM.
From: Winbond W78E54C/W78E054C 8-bit Microcontroller Datasheet