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W78LE51P/F-24, W78LE51P24, W78LE52

Table of contents:
Info of W78LE51P/F-24
Info of W78LE51P24
Info of W78LE52

W78LE51P/F-24, W78LE51P24, W78LE52 Selling Leads, Datasheet

MFG:WINBOND Package Cooled:ORG PACKING D/C:08+

W78LE51P/F-24, W78LE51P24, W78LE52 Picture

W78LE51P/F-24, W78LE51P24, W78LE52 Datasheet download

Five Points

Part Number: W78LE51P/F-24

MFG: WINBOND

Package Cooled: ORG PACKING

D/C: 08+

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W78LE52 General Description

The W78LE52 is an 8-bit microcontroller which can accommodate a wider frequency range with low power consumption. The instruction set for the W78LE52 is fully compatible with the standard 8051.

The W78LE52 contains an 8K bytes MTP ROM (Multiple-Time Programmable ROM); 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 MTP-ROM inside the W78LE52 allows the program memory to be programmed and read electronically. Once the code is confirmed, the user can protect the code for security.

The W78LE52 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.

W78LE52 Maximum Ratings

PARAMETER	SYMBOL	MIN.	MAX.	UNIT
DC Power Supply	V_DD-V_SS	-0.3	+7.0	V
Input Voltage	V_IN	V_SS -0.3	V_DD +0.3	V
Operating Temperature	T_A	0	70	°C
Storage Temperature	T_ST	-55	+150	°C

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.

W78LE52 Features

· Fully static design 8-bit CMOS microcontroller
· Wide supply voltage of 2.4V to 5.5V
· 256 bytes of on-chip scratchpad RAM
· 8 KB electrically erasable/programmable MTP-ROM
· 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:
- DIP 40: W78LE52-24
- PLCC 44: W78LE52P-24
- PQFP 44: W78LE52F-24

W78LE52 Connection Diagram

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