ZLF645S2864GP0001 Maxim Integrated, ZLF645S2864GP0001 Datasheet - Page 51
![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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PS026408-1208
P orts 00h-04h
C P U C ontrol
R egisters
F 0 h-F F h
05h-E F h
P urpose
G eneral
**
B ank 0
= Bank-Independent A ddress (A lw ays Accesses B ank 0 )
For 20 and 28 pin parts, the Port01 and P ort04 locations
becom e available for use as general purpose registers
shadow registers implemented within the RAM memory. This enables the entire 1K or 512
B, depending on the product, of the RAM memory to be used for the stack.
8-bit Stack Addressability
For 8-bit stack addressability, only the SPL register is used for stack addressing and stack
operations that use the stack pointer always address Bank 0, independent of the RP[3:0]
setting. For more details on the stack, refer to Z8
(UM0215).
When in 8-bit stack addressability mode, the Bank 0 register FEh can be used to store user
data. See
**
B anks 1-3
Stack Pointer Register
Figure 13. Register File 8-Bit Banked Address Map
P orts 00h-04h
C P U C ontrol
R egisters
F 0 h-F F h
P urpose
05h-E F h
G eneral
C P U C ontrol
F 0 h-F F h
C P U C ontrol
F 0 h-F F h
**
on page 48.
C P U C ontrol
P eripheral
R egisters
F 0 h-F F h
P urpose
10h-E F h
0 0 h-0 F h
G eneral
B ank D
B ank D
C ontrol
®
LXMC CPU Core User Manual
ZLF645 Series Flash MCUs
Product Specification
C P U C ontrol
P eripheral
R egisters
F 0 h-F F h
10h-E F h
P urpose
0 0 h-0 F h
G eneral
C ontrol
B ank F
B ank F
Register File
43
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