W78L516A 查看數據表（PDF） - Winbond

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W78L516A

8-BIT MICROCONTROLLER

Winbond 

W78LE516/W78L516A

SFRAH, SFRAL: The objective address of on-chip Flash EPROM in the in-system programming

mode. SFRAH contains the high-order byte of address, SFRAL contains the low-

order byte of address.

SFRFD: The programming data for on-chip Flash EPROM in programming mode.

SFRCN: The control byte of on-chip Flash EPROM programming mode.

SFRCN (C7)

BIT

NAME

7

-

6

WFWIN

5

4

3, 2, 1, 0

OEN

CEN

CTRL[3:0]

FUNCTION

Reserve.

On-chip Flash EPROM bank select for in-system programming.

= 0: 64K bytes Flash EPROM bank is selected as destination for re-

programming.

= 1: 4K bytes Flash EPROM bank is selected as destination for re-

programming.

Flash EPROM output enable.

Flash EPROM chip enable.

The flash control signals

MODE

Erase 64KB AP FLASH

EPROM

Program 64KB AP FLASH

EPROM

Read 64KB AP FLASH

EPROM

Erase 4KB LD FLASH

EPROM

Program 4KB LD FLASH

EPROM

Read 4KB LD FLASH

EPROM

WFWIN

0

0

0

1

1

1

CTRL<3:0>

0010

0001

0000

0010

0001

0000

OEN

1

1

0

1

1

0

CEN

0

0

0

0

0

0

SFRAH, SFRAL

X

Address in

Address in

X

Address in

Address in

SFRFD

X

Data in

Data out

X

Data in

Data out

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Publication Release Date: November 6, 2006

Revision A7

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