Z8F012ASB020SG Zilog, Z8F012ASB020SG Datasheet - Page 159
Z8F012ASB020SG
Manufacturer Part Number
Z8F012ASB020SG
Description
IC ENCORE XP MCU FLASH 1K 8SOIC
Manufacturer
Zilog
Series
Encore!® XP®r
Datasheet
1.Z8F011ASB020EG.pdf
(282 pages)
Specifications of Z8F012ASB020SG
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
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
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-SOIC (3.9mm Width)
Processor Series
Z8F012Ax
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
Z8F04A08100KITG, Z8F04A28100KITG, ZENETSC0100ZACG, ZENETSC0100ZACG, ZUSBOPTSC01ZACG, ZUSBSC00100ZAC, ZUSBSC00100ZACG
Minimum Operating Temperature
0 C
On-chip Adc
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4039
Z8F012ASB020SG
Z8F012ASB020SG
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PS022825-0908
Caution:
Flash Controller Bypass
Flash Controller Behavior in DEBUG Mode
value
Controller executes the Mass Erase operation, the eZ8 CPU idles but the system clock and
on-chip peripherals continue to operate. Using the On-Chip Debugger, poll the Flash Sta-
tus register to determine when the Mass Erase operation is complete. When the Mass
Erase is complete, the Flash Controller returns to its locked state.
The Flash Controller can be bypassed and the control signals for the Flash memory
brought out to the GPIO pins. Bypassing the Flash Controller allows faster Row Program-
ming algorithms by controlling the Flash programming signals directly.
Row programming is recommended for gang programming applications and large volume
customers who do not require in-circuit initial programming of the Flash memory. Page
Erase operations are also supported when the Flash Controller is bypassed.
For more information on bypassing the Flash Controller, refer to Third-Party Flash Pro-
gramming Support for Z8 Encore!
load at www.zilog.com.
The following changes in behavior of the Flash Controller occur when the Flash Control-
ler is accessed using the On-Chip Debugger:
For security reasons, the Flash controller allows only a single page to be opened for
write/erase. When writing multiple Flash pages, the flash controller must go through the
unlock sequence again to select another page.
•
•
•
•
•
•
•
63H
The Flash Write Protect option bit is ignored.
The Flash Sector Protect register is ignored for programming and erase
operations.
Programming operations are not limited to the page selected in the Page Select
register.
Bits in the Flash Sector Protect register can be written to one or zero.
The second write of the Page Select register to unlock the Flash Controller is not
necessary.
The Page Select register can be written when the Flash Controller is unlocked.
The Mass Erase command is enabled through the Flash Control register.
to the Flash Control register initiates the Mass Erase operation. While the Flash
®
MCU Application Note (AN0117) available for down-
Z8 Encore! XP
Product Specification
®
F082A Series
Flash Memory
148
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