W78L516A 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

比赛名单

W78L516A

8-BIT MICROCONTROLLER

Winbond 

W78LE516/W78L516A

1. GENERAL DESCRIPTION

The W78L516 is an 8-bit microcontroller which has an in-system programmable Flash EPROM for

firmware updating. The instruction set of the W78L516 is fully compatible with the standard 8052. The

W78L516 contains a 64K bytes of main Flash EPROM and a 4K bytes of auxiliary Flash EPROM

which allows the contents of the 64KB main Flash EPROM to be updated by the loader program

located at the 4KB auxiliary Flash EPROM; 512 bytes of on-chip RAM; four 8-bit bi-directional and bit-

addressable I/O ports; an additional 4-bit port P4; three 16-bit timer/counters; a serial port. These

peripherals are supported by a eight sources two-level interrupt capability. To facilitate programming

and verification, the Flash EPROM inside the W78L516 allows the program memory to be

programmed and read electronically. Once the code is confirmed, the user can protect the code for

security.

The W78L516 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

• 64K bytes of in-system programmable Flash EPROM for Application Program (AP FLASH

EPROM)

• 4K bytes of auxiliary Flash EPROM for Loader Program (LD FLASH EPROM)

• 512 bytes of on-chip RAM. (including 256 bytes of AUX-RAM, software selectable)

• 64K bytes program memory address space and 64K bytes data memory address space

• Four 8-bit bi-directional ports

• One 4-bit multipurpose programmable port

• Three 16-bit timer/counters

• One full duplex serial port

• Eight-sources, two-level interrupt capability

• Built-in power management

• Code protection

• Packaged in

− Lead Free(RoHS) DIP 40: W78L516A24DL

− Lead Free(RoHS) PLCC 44: W78L516A24PL

− Lead Free(RoHS) QFP 44: W78L516A24FL

− Lead Free(RoHS) LQFP 48: W78L516A24LL

Publication Release Date: November 6, 2006

-3-

Revision A7

Share Link: