ZLF645E0H2864G00TR Maxim Integrated, ZLF645E0H2864G00TR Datasheet - Page 40
![no-image](/images/no-image-200.jpg)
ZLF645E0H2864G00TR
Manufacturer Part Number
ZLF645E0H2864G00TR
Description
8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
Manufacturer
Maxim Integrated
Datasheet
1.ZLF645E0H4864G2204.pdf
(201 pages)
Specifications of ZLF645E0H2864G00TR
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
Package / Case
SSOP-28
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
Processor Series
ZLF645
Program Memory Type
Flash
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Table 15. Port 0 Register (P0)
PS026408-1208
Bit
Field
Reset
R/W
Address
Bit Position
[7]
[6:0]
Port 0 Register
Note:
The Port 0 register (see
R/W
Only P00, P01, and P07 are available for ZLF645 Flash MCU 20-pin configuration.
P07
Read
Read
Write
Write
R/W
X
7
0
1
0
1
0
1
0
1
Description
Port 0 Pin 7—Available for I/O if UART Tx is disabled.
Pin configured as input or output in P01M register.
Pin level is Low.
Pin level is High.
Pin configured as output in P01M register, UCTL[7]=0.
Assert pin Low.
Assert pin High if configured as push-pull; make pin high-impedance if it is
open-drain.
Port 0 Pins 6–0—Each bit provides access to the corresponding Port 0 pin.
Pin configured as input or output in P01M register.
Pin level is Low.
Pin level is High.
Pin configured as output in P01M register.
Assert pin Low.
Assert pin High if configured as push-pull; make pin high-impedance if it is
open-drain.
R/W
P06
X
6
R/W
P05
Table
X
5
Bank 0–3: 00h; Linear: 000h
15) allows read and write access to the Port 0 pins.
R/W
P04
X
4
R/W
P03
X
3
ZLF645 Series Flash MCUs
R/W
P02
X
2
Product Specification
R/W
P01
X
1
Port 0 Register
R/W
P00
X
0
32
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