ZLF645E0Q2032G Maxim Integrated, ZLF645E0Q2032G Datasheet - Page 80

• Manufacturer Part Number: ZLF645E0Q2032G
• Description: 8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
• Manufacturer: Maxim Integrated

Specifications of ZLF645E0Q2032G

• Core: Z8
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 1 KB
• On-chip Adc: No
• Operating Supply Voltage: 2 V to 3.6 V
• Package / Case: QFN-EP-20
• Mounting Style: SMD/SMT
• Interface Type: UART
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Number Of Programmable I/os: 5
• Number Of Timers: 2 x 8 bit, 1 x 16 bit
• On-chip Dac: No
• Processor Series: ZLF645
• Program Memory Type: Flash
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2 V

19-4572; Rev 0; 4/09
Yes
No
No
No
Protected Sector?
Select Register
Select Register
Program/Erase
values match?
Lock State 0
Lock State 1
Page Select
Write FCTL
Write FCTL
Write Page
Write Page
Unlocked
Enabled
Page in
Reset
Page
8CH
73H
Figure 20. Flash Controller Operation Flow Chart
Yes
Yes
No
Yes
Register in Lock State 1
Byte Program
Writes to Page Select
result in a return to
Lock State 0
Write FCTL
95H or 63H
No
Yes
ZLF645 Series Flash MCUs
Erase
Product Specification
Flash Controller Overview
72