T89C51AC2-RLSI-M datasheet(25/117 Pages) ATMEL

Part #	T89C51AC2-RLSI-M

Description	8-bit MCU with 32K bytes Flash, 10 bits A/D and EEPROM

PDF	117 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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25 / 117 page

Draft.A - March 30, 2001

Preview - Confidential

T89C51AC2

7.4.6. Programming the FLASH Spaces

User

The following procedure is used to program the User space and is summarized in Figure 13:

• Load data in the column latches from address 0000h to 7FFFh1.

• Disable the interrupts.

• Launch the programming by writing the data sequence 50h followed by A0h in FCON register.

The end of the programming indicated by the FBUSY flag cleared.

• Enable the interrupts.

Note:

1. The last page address used when loading the column latch is the one used to select the page programming address.

Extra Row

The following procedure is used to program the Extra Row space and is summarized in Figure 13:

• Load data in the column latches from address FF80h to FFFFh.

• Disable the interrupts.

• Launch the programming by writing the data sequence 52h followed by A2h in FCON register.

The end of the programming indicated by the FBUSY flag cleared.

• Enable the interrupts.

T89C51AC2-RLSI-M Datasheet(PDF) 25 Page - ATMEL Corporation