Z8F3201AN020EC00TR Zilog, Z8F3201AN020EC00TR Datasheet - Page 161
Z8F3201AN020EC00TR
Manufacturer Part Number
Z8F3201AN020EC00TR
Description
IC ENCORE MCU FLASH 32K 44LQFP
Manufacturer
Zilog
Series
Encore!®r
Datasheet
1.Z8F1601VN020EC.pdf
(246 pages)
Specifications of Z8F3201AN020EC00TR
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
31
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
44-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
Z8F3201AN020EC00T
Available stocks
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Manufacturer
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Price
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PS017610-0404
Caution:
Page Erase
Mass Erase
Flash Controller Bypass
The Flash memory can be erased one page (512 bytes) at a time. Page Erasing the Flash
memory sets all bytes in that page to the value FFH. The Flash Page Select register identi-
fies the page to be erased. With the Flash Controller unlocked, writing the value
Flash Control register initiates the Page Erase operation. While the Flash Controller exe-
cutes the Page Erase operation, the eZ8 CPU idles but the system clock and on-chip
peripherals continue to operate. The eZ8 CPU resumes operation after the Page Erase
operation completes. If the Page Erase operation is performed through the On-Chip
Debugger, poll the Flash Status register to determine when the Page Erase operation is
complete. When the Page Erase is complete, the Flash Controller returns to its locked
state.
The Flash memory can also be Mass Erased using the Flash Controller. Mass Erasing the
Flash memory sets all bytes to the value
the value
Flash Controller executes the Mass Erase operation, the eZ8 CPU idles but the system
clock and on-chip peripherals continue to operate. Typically, the Flash Memory is Mass
Erased using the On-Chip Debugger. Via the On-Chip Debugger, poll the Flash Status reg-
ister to determine when the Mass Erase operation is complete. Although the Flash can be
Mass Erased by user program code, when the Mass Erase is complete the user program
code is completely erased. 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 programing is recommended for gang programming applications and large volume
customers who do not require in-circuit initial programming of the Flash memory. Mass
Erase and Page Erase operations are also supported when the Flash Controller is bypassed.
Please refer to the document entitled Third-Party Flash Programming Support for Z8
Encore!™ for more information on bypassing the Flash Controller. This document is
available for download at www.zilog.com.
The byte at each address of the Flash memory cannot be programmed (any
bits written to 0) more than twice before an erase cycle occurs.
63H
to the Flash Control register initiates the Mass Erase operation. While the
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
FFH
. With the Flash Controller unlocked, writing
Z8 Encore!
Flash Memory
95H
to the
®
143
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