ZLF645S0P2832G Zilog, ZLF645S0P2832G Datasheet - Page 83

• Manufacturer Part Number: ZLF645S0P2832G
• Description: Microcontrollers (MCU) 32K Flash 512B RAM 28 pin
• Manufacturer: Zilog

Specifications of ZLF645S0P2832G

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 32 KB
• Data Ram Size: 512 KB
• Interface Type: ICP, UART
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 3
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP-28
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details

Table 40. Flash Controller Functions Summary
PS026407-0408
Table 39. Flash Frequency Low Byte Register (FFREQL)
Bit Position
[7:0]
Control Source
ICP
Instruction
Codes
Notes
Bits
Field
Reset
R/W
Address
1. FLPROT1 = 0, cannot read or write lowest half of memory. FLRWP = 0, cannot read or write entire main
2. FLRWP = 0, cannot write or erase Page 3.
3. FLPROT1 = 0, no effect. FLRWP = 0, no effect.
memory.
Flash Controller Functions Summary
7
The Flash Controller performs its functions, directed by either the ICP interface or by
instruction codes.
to the control source and whether operation is performed on Flash main memory or
Information Area.
Flash Memory
Value
Information
Information
Memory
Memory
Block
Main
Area
Main
Area
6
Description
FFREQL —Flash Frequency Low Byte
Low byte of the 16-bit Flash Frequency value.
Table 40
Program
Page 3
Only
Yes
Yes
No
5
Bank F, Register address: 04H
lists the functions that will or will not be performed, according
Page 3
Read
Only
Yes
Yes
4
No
FFREQL
R/W
0
Page 3
Erase
Page
3
Only
Yes
Yes
No
ZLF645 Series Flash MCUs
2
Erase
Flash Control Register Definitions
Mass
Yes
No
No
No
Product Specification
1
Flash Protect
Yes
Yes
No
No
3
3
1
2
0
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