Z8F011AQB020SC Zilog, Z8F011AQB020SC Datasheet - Page 165
Z8F011AQB020SC
Manufacturer Part Number
Z8F011AQB020SC
Description
IC ENCORE XP MCU FLASH 1K 8-QFN
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F011AQB020SC
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
0°C ~ 70°C
Package / Case
8-VQFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Other names
269-3645
- Current page: 165 of 282
- Download datasheet (4Mb)
®
Z8 Encore! XP
F082A Series
Product Specification
154
Option Bit Types
User Option Bits
The user option bits are contained in the first two bytes of program memory. User access
to these bits has been provided because these locations contain application-specific device
configurations. The information contained here is lost when page 0 of the program mem-
ory is erased.
Trim Option Bits
The trim option bits are contained in the information page of the Flash memory. These bits
are factory programmed values required to optimize the operation of onboard analog cir-
cuitry and cannot be permanently altered. Program Memory may be erased without endan-
gering these values. It is possible to alter working values of these bits by accessing the
Trim Bit Address and Data Registers, but these working values are lost after a power loss
or any other reset event.
There are 32 bytes of trim data. To modify one of these values the user code must first
write a value between
and
into the Trim Bit Address Register. The next write to
00H
1FH
the Trim Bit Data register changes the working value of the target trim data byte.
Reading the trim data requires the user code to write a value between
and
into the
00H
1FH
Trim Bit Address Register. The next read from the Trim Bit Data register returns the work-
ing value of the target trim data byte.
The trim address range is from information address 20-3F only. The remainder of the
Note:
information page is not accessible through the trim bit address and data registers.
Calibration Option Bits
The calibration option bits are also contained in the information page. These bits are fac-
tory programmed values intended for use in software correcting the device’s analog per-
formance. To read these values, the user code must employ the LDC instruction to access
the information area of the address space as defined in
See Flash Information Area
on
page 17.
Serialization Bits
®
As an optional feature, Zilog
is able to provide factory-programmed serialization. For
serialized products, the individual devices are programmed with unique serial numbers.
These serial numbers are binary values, four bytes in length. The numbers increase in size
with each device, but gaps in the serial sequence may exist.
These serial numbers are stored in the Flash information page (see
Reading the Flash
Information Page
on page 155 and
Serialization Data
on page 165 for more details) and
are unaffected by mass erasure of the device's Flash memory.
PS022825-0908
Flash Option Bits
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