Z51F3220FNX Datasheet, PDF (298/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
15.1.5 Register Description for Flash
FSADRH (Flash Sector Address High Register) : FAH
7
6
5
4
3
–
–
–
–
FSADRH3
–
–
–
–
R/W
2
FSADRH 2
R/W
FSADRH[3:0] Flash Sector Address High
1
0
FSADRH1 FSADRH0
R/W
R/W
Initial value : 00H
FSADRM (Flash Sector Address Middle Register) : FBH
7
6
5
4
3
FSADRM7 FSADRM6 FSADRM5 FSADRM4 FSADRM3
R/W
R/W
R/W
R/W
R/W
2
FSADRM2
R/W
FSADRM[7:0] Flash Sector Address Middle
1
0
FSADRM1 FSADRM0
R/W
R/W
Initial value : 00H
FSADRL (Flash Sector Address Low Register) : FCH
7
6
5
4
3
FSADRL7 FSADRL6 FSADRL5 FSADRL4 FSADRL3
R/W
R/W
R/W
R/W
R/W
2
FSADRL2
R/W
FSADRL[7:0] Flash Sector Address Low
1
0
FSADRL1 FSADRL0
R/W
R/W
Initial value : 00H
FIDR (Flash Identification Register) : FDH
7
6
5
4
FIDR7
FIDR6
FIDR5
FIDR4
R/W
R/W
R/W
R/W
3
FIDR3
R/W
2
FIDR2
R/W
1
FIDR1
R/W
0
FIDR0
R/W
Initial value : 00H
FIDR[7:0]
Flash Identification
Others
No identification value
10100101 Identification value for a flash mode
(These bits are automatically cleared to logic ‘00H’ immediately after one
time operation)
PS029902-0212
PRELIMINARY
296