![IXYS zilog Z51F6412 Manual Download Page 166](http://html1.mh-extra.com/html/ixys/zilog-z51f6412/zilog-z51f6412_manual_2098946166.webp)
Z51F6412
Product Specification
PS030302-0212
P R E L I M I N A R Y
163
15. Memory Programming
15.1 Overview
15.1.1 Description
The Z51F6412 MCU features Flash memory to which a program can be written, erased, and
overwritten while mounted on the board.
Serial ISP modes and byte-parallel ROM writer mode are supported.
15.1.2 Features
•
Flash Size : 64Kbytes
•
Single power supply program and erase
•
Command interface for fast program and erase operation
•
Up to 10,000 program/erase cycles at typical voltage and temperature for Flash memory
•
Security
feature
15.2 Flash Control and status register
Registers to control Flash and Data EEPROM are Mode Register (FEMR), Control Register (FECR),
Status Register (FESR), Time Control Register (FETCR), Address Low Register (FEARL), Address
Middle Register (FEARM), address High Register (FEARH) and Data Register (FEDR). They are
mapped to SFR area and can be accessed only in programming mode.
15.2.1 Register Map
Table 15-1 Register Map
Name
Address
Dir
Default
Description
FEMR
EAH
R/W
00H
Flash Mode Register
FESR
EBH
R/W
80H
Flash Status Register
FETCR
ECH
R/W
00H
Flash Time Control Register
FEARH
F2H
R/W
00H
Flash Address High Register
FEARM
F3H
R/W
00H
Flash Address Middle Register
FEARL
F4H
R/W
00H
Flash Address Low Register
FEDR F5H
R/W
00H Flash
Data
Register
FECR F6H
R/W
03H Flash
Control
Register