Z8F2422AR020SG Zilog, Z8F2422AR020SG Datasheet - Page 199
Z8F2422AR020SG
Manufacturer Part Number
Z8F2422AR020SG
Description
IC ENCORE MCU FLASH 24K 64LQFP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F2422AR020SG
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
46
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
64-LQFP
Processor Series
Z8F242x
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
46
Number Of Timers
4
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
Z8F64200100KITG, ZENETSC0100ZACG, ZUSBSC00100ZACG, Z8F64210100ZDA, Z8F64210100ZDP, Z8F64210100ZDV, Z8F64220100ZDA, Z8F64220100ZDV, Z8F6422AR00ZEM, Z8F6422VS00ZEM, Z8F6421AN00ZEM
Minimum Operating Temperature
0 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
269-4251
Z8F2422AR020SG
Z8F2422AR020SG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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PS019921-0308
Caution:
Mass Erase
Flash Controller Bypass
Flash Controller Behavior in Debug Mode
5. Re-write the page written in step 2 to the Page Select register.
6. Write the Page Erase command 95H to the Flash Control register.
The Flash memory cannot be Mass Erased by user code.
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 Programming
algorithms by controlling the Flash programming signals directly.
Flash Controller Bypass is recommended for gang programming applications and large
volume customers who do not require in-circuit programming of the Flash memory.
For more information on bypassing the Flash Controller, refer to Third-Party Flash Pro-
gramming Support for Z8 Encore! available for download 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, 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.
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.
Z8 Encore! XP
Product Specification
®
F64XX Series
Flash Memory
185
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