Z8F022ASJ020SC Zilog, Z8F022ASJ020SC Datasheet - Page 166
Z8F022ASJ020SC
Manufacturer Part Number
Z8F022ASJ020SC
Description
IC ENCORE XP MCU FLASH 2K 28SOIC
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F022ASJ020SC
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
IrDA, UART/USART
Peripherals
Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
Number Of I /o
23
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3355
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F022ASJ020SC
Manufacturer:
Zilog
Quantity:
372
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Table 84. Trim Bit Address Register (TRMADR)
Flash Option Bit Control Register Definitions
BITS
FIELD
RESET
R/W
ADDR
PS022825-0908
Reading the Flash Information Page
Trim Bit Address Register
R/W
7
0
Randomized Lot Identification Bits
As an optional feature, Zilog is able to provide a factory-programmed random lot
identifier. With this feature, all devices in a given production lot are programmed with the
same random number. This random number is uniquely regenerated for each successive
production lot and is not likely to be repeated.
The randomized lot identifier is a 32 byte binary value, stored in the Flash information
page (see
on page 166 for more details) and is unaffected by mass erasure of the device's Flash
memory.
The following code example shows how to read data from the Flash information area.
; get value at info address 60 (FE60h)
ldx FPS, #%80 ; enable access to flash info page
ld R0, #%FE
ld R1, #%60
ldc R2, @RR0 ; R2 now contains the calibration value
The Trim Bit Address (TRMADR) register contains the target address for an access to the
trim option bits
Reading the Flash Information Page
R/W
6
0
(Table
TRMADR - Trim Bit Address (00H to 1FH)
R/W
84).
5
0
R/W
4
0
FF6H
R/W
on page 155 and
3
0
Z8 Encore! XP
R/W
2
0
Randomized Lot Identifier
Product Specification
R/W
1
0
®
F082A Series
Flash Option Bits
R/W
0
0
155
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