ZLF645E0H2864G00TR Maxim Integrated, ZLF645E0H2864G00TR Datasheet - Page 94
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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19-4572; Rev 0; 4/09
Architecture
Operation
System Bus
RxD
TxD
The UARTs consist of three primary functional blocks: transmitter, receiver, and Baud
Rate Generator. The UART transmitter and receiver function independently, but employ
the same baud rate and data format.
The UART channel can be used to communicate with a master microprocessor or a slave
microprocessor, both of which exhibit transmit and receive functionality. You can either
operate the UART channel by polling the UART Status register or via interrupts. The
UART remains active during HALT mode. If neither the transmitter nor the receiver is
enabled, the UART baud rate generator can be used as an additional timer. The UART
contains a noise filter for the receiver that can be enabled by the user.
Parity Generator
Receive Shifter
Transmit Shift
Receive Data
Transmit Data
Register
Register
Register
Figure 22. UART Block Diagram
Figure 22
Status Register
Transmitter Control
displays the UART architecture.
Control Register
ZLF645 Series Flash MCUs
Product Specification
Baud Rate
Generator
Architecture
86
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