Z8FMC04100 ZILOG [Zilog, Inc.], Z8FMC04100 Datasheet - Page 240

• Manufacturer Part Number: Z8FMC04100
• Description: Z8 Encore-R Motor Control Flash MCUs
• Manufacturer: ZILOG [Zilog, Inc.]

218
Z8 Encore!
Product Specification
Program Memory
Bit
Position
[7:6]
Reserved
[5:0]
FSTAT
RESET
FIELD
ADDR
BITS
R/W
Flash Status Register
Flash Page Select Register
®
Value
00_0000
00_0001
00_0010
00_0011
00_0100
00_1xxx
01_0xxx
10_0xxx
Motor Control Flash MCUs
7
Table 117. Flash Status Register (FSTAT)
The Flash Status Register, shown in Table 117, indicates the current state of the Flash Con-
troller. This register can be read at any time. The read-only Flash Status Register shares its
Register File address with the write-only Flash Control Register.
The Flash Page Select (FPS) Register, shown in Table 118, selects one of the 32 available
Flash memory 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 assigned by the
The Flash Page Select Register shares its Register File address with the Flash Sector Pro-
tect Register. The Flash Page Select Register cannot be accessed when the Flash Sector
Protect Register is enabled.
Reserved
00B
R
Description
Must be 00.
Flash Controller Status
Flash Controller locked.
First unlock command received.
Second unlock command received.
Flash Controller unlocked.
Flash Sector Protect register selected.
Program operation in progress.
Page erase operation in progress.
Mass erase operation in progress.
6
5
P R E L I M I N A R Y
4
FF8H
PAGE
3
00_0000B
FSTAT
field are erased to
R
2
FFh
1
.
PS024604-1005
0