EZ80F93AZ020SG Zilog, EZ80F93AZ020SG Datasheet - Page 209
![IC ACCLAIM MCU 64KB 100LQFP](/photos/6/76/67664/269-100-lqfp_sml.jpg)
EZ80F93AZ020SG
Manufacturer Part Number
EZ80F93AZ020SG
Description
IC ACCLAIM MCU 64KB 100LQFP
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F93AZ020SG
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
24
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
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
100-LQFP
Processor Series
EZ80F93x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
I2C, IrDA, SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
24
Number Of Timers
6
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F920200ZCOG
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
269-3874
EZ80F93AZ020SG
EZ80F93AZ020SG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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PS015313-0508
Note:
Flash Write/Erase Protection Register
The Flash Write/Erase Protection register prevents accidental Write or Erase operations.
The protection is limited to a resolution of eight 16 KB blocks. Setting a bit to 1 protects
that 16 KB block of Flash memory from accidental writing or erasure. Default on RESET
is for all Flash memory blocks to be protected.
Writes to this register are allowed only after it is unlocked via the FLASH_KEY register.
Any attempted Writes to this register while locked sets it to
blocks.
Table 119. Flash Write/Erase Protection Register; (FLASH_PROT= 00FAh)
Bit
Reset
CPU Access
Note: R/W = Read/Write if unlocked, R = Read Only if locked. *Key sequence required to unlock.
Bit
Position
[7]*
BLK7_PROT
[6]*
BLK6_PROT
[5]*
BLK5_PROT
[4]*
BLK4_PROT
[3]
BLK3_PROT
[2]
BLK2_PROT
[1]
BLK1_PROT
Note: *Unused in the eZ80F93 device.
A protect bit is not available for the Information Page. Mass Erase is prevented if
any of the bits in this register are set to 1.
Value Description
0
1
0
1
0
1
0
1
0
1
0
1
0
1
R/W*
Disable Write/Erase Protect on block 0x1C000 to 0x1FFFF
Enable Write/Erase Protect on block 0x1C000 to 0x1FFFF
Disable Write/Erase Protect on block 0x18000 to 0x1BFFF
Enable Write/Erase Protect on block 0x18000 to 0x1BFFF
Disable Write/Erase Protect on block 0x14000 to 0x17FFF
Enable Write/Erase Protect on block 0x14000 to 0x17FFF
Disable Write/Erase Protect on block 0x10000 to 0x13FFF
Enable Write/Erase Protect on block 0x10000 to 0x13FFF
Disable Write/Erase Protect on block 0x0C000 to 0x0FFFF
Enable Write/Erase Protect on block 0x0C000 to 0x0FFFF
Disable Write/Erase Protect on block 0x08000 to 0x0BFFF
Enable Write/Erase Protect on block 0x08000 to 0x0BFFF
Disable Write/Erase Protect on block 0x04000 to 0x07FFF
Enable Write/Erase Protect on block 0x04000 to 0x07FFF
7
1
R/W*
6
1
R/W*
5
1
R/W*
4
1
R/W*
FFh
3
1
, thereby protecting all
Product Specification
R/W*
2
1
eZ80F92/eZ80F93
R/W*
1
1
Flash Memory
R/W*
0
1
202
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