Z8F6401AN020SC00TR Zilog, Z8F6401AN020SC00TR Datasheet - Page 162

• Manufacturer Part Number: Z8F6401AN020SC00TR
• Description: IC ENCORE MCU FLASH 64K 44LQFP
• Manufacturer: Zilog
• Series: Encore!®r

Specifications of Z8F6401AN020SC00TR

• 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: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: Z8F6401AN020SC00T

Table 85. Flash Control Register (FCTL)
Flash Control Register Definitions
PS017610-0404
RESET
FIELD
ADDR
BITS
R/W
Flash Control Register
W
7
0
The Flash Controller must be unlocked via the Flash Control register before programming
or erasing the Flash memory. Writing the sequence
Control register unlocks the Flash Controller. When the Flash Controller is unlocked, writ-
ing to the Flash Control register can initiate either Page Erase or Mass Erase of the Flash
memory. Writing an invalid value or an invalid sequence returns the Flash Controller to its
locked state. The Write-only Flash Control Register shares its Register File address with
the Read-only Flash Status Register.
FCMD—Flash Command
73H = First unlock command.
8CH = Second unlock command.
95H = Page erase command (must be third command in sequence to initiate Page Erase).
63H = Mass erase command (must be third command in sequence to initiate Mass Erase).
W
6
0
W
5
0
W
4
0
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
FCMD
FF8H
W
3
0
73H 8CH
W
2
0
, sequentially, to the Flash
W
1
0
Z8 Encore!
Flash Memory
W
0
0
®
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