Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 170

• Manufacturer Part Number: Z8F041APH020SG2156
• Description: 8-bit Microcontrollers - MCU 4K FLASH 1K RAM 128B NVDS
• Manufacturer: ZiLOG

Specifications of Z8F041APH020SG2156

• Rohs: yes
• Core: eZ8
• Processor Series: Z8F041xx
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 4 KB
• Data Ram Size: 1 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: PDIP-20
• Mounting Style: Through Hole
• A/d Bit Size: 10 bit
• A/d Channels Available: 8
• Interface Type: UART
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 17
• Number Of Timers: 2
• Program Memory Type: Flash
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V

PS022827-1212
Flash Control Register Definitions
Caution:
Flash Controller Behavior in DEBUG Mode
Flash Control Register
The following changes in behavior of the Flash Controller occur when the Flash Control-
ler is accessed using the On-Chip Debugger:
This section defines the features of the following Flash Control registers.
Flash Control
Flash Status
Flash Page Select
Flash Sector Protect
Flash Frequency High and Low Byte
The Flash Controller must be unlocked using the Flash Control (FCTL) Register before
programming or erasing the Flash memory. Writing the sequence
to the Flash Control Register unlocks the Flash Controller. When the Flash Controller is
unlocked, the Flash memory can be enabled for Mass Erase or Page Erase by writing the
appropriate enable command to the FCTL. Page Erase applies only to the active page
selected in Flash Page Select Register. Mass Erase is enabled only through the On-Chip
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.
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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.
Register: see page 155
Register: see page 153
Register: see page 156
Register: see page 157
P R E L I M I N A R Y
Registers: see page 157
Z8 Encore! XP
Flash Control Register Definitions
Product Specification
73H 8CH
®
F082A Series
, sequentially,
153