ZLF645S2864GP0001T Maxim Integrated, ZLF645S2864GP0001T Datasheet - Page 30
ZLF645S2864GP0001T
Manufacturer Part Number
ZLF645S2864GP0001T
Description
8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
Manufacturer
Maxim Integrated
Datasheet
1.ZLF645E0H4864G2204.pdf
(201 pages)
Specifications of ZLF645S2864GP0001T
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
Open-Drain
I/O
Out
In
Port 2
Port 2 is an 8-bit bidirectional CMOS-compatible I/O port. Its eight I/O lines can be
independently configured under software control as inputs or outputs. Port 2 is always
available for I/O operation. A flash programming option bit is available to connect eight
pull-up transistors on this port. Bits programmed as outputs are globally programmed as
either push/pull or open-drain. The Power-On Reset function resets with the eight bits of
Port 2 [P27:20] configured as inputs.
Port 2 also has an 8-bit input OR and AND gate and edge detection circuitry, which can be
used to recover from the STOP mode. P20 can be programmed to access the edge-detec-
tion circuitry in DEMODULATION mode.
FLASH MCU
ZLF645
Figure 8. Port 2 Configuration
Figure 8
Port 2 (I/O)
displays the Port 2 configuration.
Product Specification
V
DD
Resistive pull-up
Option
transistor
Flash Programming
Pad
Port 2
22
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