Z8F011AQB020EC Zilog, Z8F011AQB020EC Datasheet - Page 161
Z8F011AQB020EC
Manufacturer Part Number
Z8F011AQB020EC
Description
IC ENCORE XP MCU FLASH 1K 8-QFN
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F011AQB020EC
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
IrDA, UART/USART
Peripherals
Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
1KB (1K x 8)
Program Memory Type
FLASH
Eeprom Size
16 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
8-VQFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Other names
269-3644
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Table 79. Flash Status Register (FSTAT)
BITS
FIELD
RESET
R/W
ADDR
PS022825-0908
Flash Status Register
Flash Page Select Register
R
7
0
The Flash Status (FSTAT) register indicates the current state of the Flash Controller. 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.
Reserved—Must be 0.
FSTAT—Flash Controller Status
000000 = Flash Controller locked
000001 = First unlock command received (73H written)
000010 = Second unlock command received (8CH written)
000011 = Flash Controller unlocked
000100 = Sector protect register selected
001xxx = Program operation in progress
010xxx = Page erase operation in progress
100xxx = Mass erase operation in progress
The Flash Page Select (FPS) register shares address space with the Flash Sector Protect
Register. Unless the Flash controller is unlocked and written with 5EH, writes to this
address target the Flash Page Select Register.
The register is used to select one of the available Flash memory pages to be programmed
or erased. Each Flash Page contains 512 bytes of Flash memory. During a Page Erase
operation, all Flash memory having addresses with the most significant 7 bits given by
FPS[6:0] are chosen for program/erase operation.
Reserved
R
6
0
R
5
0
R
4
0
FF8H
R
3
0
FSTAT
Z8 Encore! XP
R
2
0
Product Specification
R
1
0
®
F082A Series
Flash Memory
R
0
0
150
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