Z8F6421AN00ZEM Zilog, Z8F6421AN00ZEM Datasheet - Page 201

• Manufacturer Part Number: Z8F6421AN00ZEM
• Description: KIT ICE Z8 ENCORE 64K 44LQFP
• Manufacturer: Zilog
• Series: Z8 Encore!®r
• Type: In-Circuit Emulator Systemr

Specifications of Z8F6421AN00ZEM

• Contents: Emulator Board, Cables, Software and Documentation
• For Use With/related Products: Z8 Encore! 44-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3392

Table 94. Page Select Register (FPS)
PS019921-0308
BITS
FIELD
RESET
R/W
ADDR
Page Select Register
INFO_EN
7
Reserved
These bits are reserved and must be 0.
FSTAT—Flash Controller Status
00_0000 = Flash Controller locked
00_0001 = First unlock command received
00_0010 = Second unlock command received
00_0011 = Flash Controller unlocked
00_0100 = Flash Sector Protect register selected
00_1xxx = Program operation in progress
01_0xxx = Page erase operation in progress
10_0xxx = Mass erase operation in progress
The Page Select (FPS) register
pages to be erased or programmed. Each Flash Page contains 512 bytes of Flash memory.
During a Page Erase operation, all Flash memory locations with the 7 most significant bits
of the address given by the PAGE field are erased to
The Page Select register shares its Register File address with the Flash Sector Protect Reg-
ister. The Page Select register cannot be accessed when the Flash Sector Protect register is
enabled.
INFO_EN—Information Area Enable
0 = Information Area is not selected.
1 = Information Area is selected. The Information area is mapped into the Flash Memory
address space at addresses FE00H through FFFFH.
PAGE—Page Select
This 7-bit field selects the Flash memory page for Programming and Page Erase opera-
tions. Flash Memory Address[15:9] = PAGE[6:0].
6
5
(Table
4
94) selects one of the 128 available Flash memory
FF9H
R/W
0
PAGE
3
FFH
Z8 Encore! XP
.
2
Product Specification
1
®
F64XX Series
Flash Memory
0
187