w78le58 Winbond Electronics Corp America, w78le58 Datasheet - Page 12

• Manufacturer Part Number: w78le58
• Description: 8-bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

SFRAH, SFRAL:
SFRFD:
SFRCN:
SFRCN (C7)
Erase 32KB APROM
Program 32KB APROM
Read 32KB APROM
Erase 4KB LDROM
Program 4KB LDROM
Read 4KB LDROM
3, 2, 1, 0
BIT
7
6
5
4
The programming data for on-chip MTP-ROM in programming mode.
The control byte of on-chip MTP-ROM programming mode.
MODE
CTRL[3:0] The flash control signals
WFWIN
NAME
OEN
CEN
-
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.
Reserve.
On-chip MTP-ROM bank select for in-system programming.
= 0: 32K bytes MTP-ROM bank is selected as destination for re-
= 1: 4K bytes MTP-ROM bank is selected as destination for re-
MTP-ROM output enable.
MTP-ROM chip enable.
WFWIN
programming.
programming.
0
0
0
1
1
1
CTRL<3:0>
0010
0001
0000
0010
0001
0000
- 12 -
OEN
1
1
0
1
1
0
FUNCTION
Preliminary W78LE58
CEN
0
0
0
0
0
0
SFRAH, SFRAL
Address in
Address in
Address in
Address in
X
X
Data out
Data out
SFRFD
Data in
Data in
X
X