參數(shù)資料
型號: W87LE58
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 12/31頁
文件大小: 426K
代理商: W87LE58
Preliminary W78LE58
- 12 -
SFRAH, SFRAL:
The objective address of on-chip MTP-ROM 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 MTP-ROM in programming mode.
SFRCN:
The control byte of on-chip MTP-ROM programming mode.
SFRCN (C7)
BIT
NAME
FUNCTION
7
-
Reserve.
6
WFWIN
On-chip MTP-ROM bank select for in-system programming.
= 0: 32K bytes MTP-ROM bank is selected as destination for re-
programming.
= 1: 4K bytes MTP-ROM bank is selected as destination for re-
programming.
5
OEN
MTP-ROM output enable.
4
CEN
MTP-ROM chip enable.
3, 2, 1, 0
CTRL[3:0] The flash control signals
MODE
WFWIN
CTRL<3:0>
OEN
CEN
SFRAH, SFRAL
SFRFD
Erase 32KB APROM
0
0010
1
0
X
X
Program 32KB APROM
0
0001
1
0
Address in
Data in
Read 32KB APROM
0
0000
0
0
Address in
Data out
Erase 4KB LDROM
1
0010
1
0
X
X
Program 4KB LDROM
1
0001
1
0
Address in
Data in
Read 4KB LDROM
1
0000
0
0
Address in
Data out
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