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Z8F6421PM020SC Datasheet, PDF (24/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series | |||
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Z8 Encore!® 64K Series
Product Specification
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⢠Software stack allows much greater depth in subroutine calls and interrupts than
hardware stacks
⢠Compatible with existing Z8® code
⢠Expanded internal Register File allows access of up to 4KB
⢠New instructions improve execution efficiency for code developed using higher-level
programming languages, including C
⢠Pipelined instruction fetch and execution
⢠New instructions for improved performance including BIT, BSWAP, BTJ, CPC, LDC,
LDCI, LEA, MULT, and SRL
⢠New instructions support 12-bit linear addressing of the Register File
⢠Up to 10 MIPS operation
⢠C-Compiler friendly
⢠2-9 clock cycles per instruction
For more information regarding the eZ8 CPU, refer to the eZ8 CPU User Manual avail-
able for download at www.zilog.com.
General Purpose I/O
The 64K Series features seven 8-bit ports (Ports A-G) and one 4-bit port (Port H) for gen-
eral purpose I/O (GPIO). Each pin is individually programmable. All ports (except B and
H) support 5V-tolerant inputs.
Flash Controller
The Flash Controller programs and erases the Flash memory.
10-Bit Analog-to-Digital Converter
The Analog-to-Digital Converter (ADC) converts an analog input signal to a 10-bit binary
number. The ADC accepts inputs from up to 12 different analog input sources.
UARTs
Each UART is full-duplex and capable of handling asynchronous data transfers. The
UARTs support 8- and 9-bit data modes, selectable parity, and an efficient bus transceiver
Driver Enable signal for controlling a multi-transceiver bus, such as RS-485.
PS019915-1005
Introduction
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