ZLF645S2864GP0001 Maxim Integrated, ZLF645S2864GP0001 Datasheet - Page 88
![no-image](/images/no-image-200.jpg)
ZLF645S2864GP0001
Manufacturer Part Number
ZLF645S2864GP0001
Description
8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
Manufacturer
Maxim Integrated
Datasheet
1.ZLF645E0H4864G2204.pdf
(201 pages)
Specifications of ZLF645S2864GP0001
Core
Z8
Data Bus Width
8 bit
Maximum Clock Frequency
8 MHz
Program Memory Size
64 KB
Data Ram Size
1 KB
Operating Supply Voltage
2 V to 3.6 V
Interface Type
UART
Number Of Programmable I/os
5
Number Of Timers
2 x 8 bit, 1 x 16 bit
Processor Series
ZLF645
Program Memory Type
Flash
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Table 37. Flash Frequency High Byte Register (FFREQH)
19-4572; Rev 0; 4/09
Table 38. Flash Frequency Low Byte Register (FFREQL)
Bit Position
[7:0]
Bit Position
[7:0]
Bits
Field
Reset
R/W
Address
Bits
Field
Reset
R/W
Address
Flash Controller Functions Summary
R/W
7
0
7
The Flash Controller performs its functions, directed by either the ICP interface or by the
CPU through instruction codes.
performed by the Flash Controller, according to whether the CPU or ICP is the initiator,
whether the operation is performed on the Flash’s Main Memory or Information Block,
and whether either of the two read/write protect bits of User Option Byte 1 have been
enabled or not.
Value
Value
R/W
6
0
6
Description
FFREQH —Flash Frequency High Byte
High byte of the 16-bit Flash Frequency value.
Description
FFREQL —Flash Frequency Low Byte
Low byte of the 16-bit Flash Frequency value.
R/W
5
5
0
Bank F, Register address: 03H
Bank F, Register address: 04H
R/W
Table 39
4
0
4
FFREQH
FFREQL
R/W
0
lists the functions that will or will not be
R/W
3
0
3
R/W
ZLF645 Series Flash MCUs
2
0
2
Flash Control Register Definitions
Product Specification
R/W
1
0
1
R/W
0
0
0
80
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