ZLF645E0Q2064G Zilog, ZLF645E0Q2064G Datasheet - Page 73

• Manufacturer Part Number: ZLF645E0Q2064G
• Description: IC MCU 64K FLASH 1K RAM 20-QFN
• Manufacturer: Zilog
• Series: Crimzon™ ZLFr

Specifications of ZLF645E0Q2064G

• Core Processor: Z8 LXMC
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, WDT
• Number Of I /o: 16
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.9 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Oscillator Type: -
• Other names: 269-4723

16 512-Byte Pages
PS026407-0408
Up to 8 Sectors
per Sector
Flash Information Block
Main Program Memory
The Flash Information Block of Flash memory is divided into two sections. Page 3 of the
Information Block is accessible to the user or Flash programmer vendor for programming,
reading, or erasure through ICP or Flash Byte Programming Interface as described in the
Flash Byte Programming Interface
00FE
defined functions. Address locations
code of
is an indication that the Flash memory passed Flash testing.
The Flash read/write protect bits in Byte 1 control the level of Page 3 access allowed to the
User along with the User’s level of access to the Flash’s main memory. Bytes
through
other operations.
Up to 64 KB Flash
Sector 7
Sector 6
Sector 5
Sector 1
Sector 4
Sector 3
Sector 2
Sector 0
and
5Ah
00FD
00FF
. This pass code is programmed by Zilog
of Page 3 have no pre-defined function and are available to the User for
Figure 19. Flash Memory Arrangement
respectively of the Page 3 area and contain programmable bits with pre-
Addresses (hex)
FFFF
E000
DFFF
C000
BFFF
A000
9FFF
8000
7FFF
6000
5FFF
4000
3FFF
2000
1FFF
0000
64 Bytes each
on page 76. User Option Bytes 0 and 1 use addresses
4 Pages
00C0
and
00C1
Information Memory
®
256 B Flash
Page 3
Page 2
Page 1
Page 0
of Page 3 contain a Flash Test pass
on completing its Flash testing and
ZLF645 Series Flash MCUs
Addresses (hex)
Product Specification
00FF
0080
007F
0400
003F
0000
00C0
00BF
Flash Memory Overview
Internal Use
For Zilog
00C2
65