EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 47
EZ80F91AZA50EG
Manufacturer Part Number
EZ80F91AZA50EG
Description
IC ACCLAIM MCU 256KB 144LQFP
Manufacturer
Zilog
Series
eZ80® AcclaimPlus!™r
Datasheet
1.EZ80F91AZA50SG.pdf
(387 pages)
Specifications of EZ80F91AZA50EG
Core Processor
Z8
Core Size
8-Bit
Speed
50MHz
Connectivity
Ethernet, I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
144-LQFP
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Interface Type
I2C, IrDA, SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
- 40 C
For Use With
269-4712 - KIT DEV ENCORE 32 SERIES269-4671 - BOARD ZDOTS SBC Z80ACCLAIM PLUS269-4561 - KIT DEV FOR EZ80F91 W/C-COMPILER269-4560 - KIT DEV FOR EZ80F91 W/C-COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
269-4563
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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eZ80
PS027001-0707
Features
New Instructions
®
CPU Core
The eZ80 CPU is the first 8-bit CPU to support 16 MB linear addressing. Each software
module or task under a real-time executive or operating system operates in Z80
compatible (64 KB) mode or full 24-bit (16 MB) address mode.
The CPU instruction set is a superset of the instruction sets for the Z80 and Z180
Z80 and Z180 programs are executed on an eZ80 CPU with little or no modification.
The eZ80 CPU includes the following features:
•
•
•
•
•
•
•
•
The new instructions are listed below:
•
For more information on the CPU, its instruction set, and eZ80 programming, refer to
eZ80 CPU User Manual (UM0077), available on www.zilog.com.
Code-compatible with Z80 and Z180 products.
24-bit linear address space.
Single-cycle instruction fetch.
Pipelined fetch, decode, and execute.
Dual Stack Pointers for ADL (24-bit) and Z80 (16-bit) memory modes.
24-bit CPU registers and Arithmetic Logic Unit (ALU).
Debug support.
Nonmaskable Interrupt (NMI), plus support for 128 maskable vectored interrupts.
Loads/unloads the I register with a 16-bit value. These new instructions are:
–
–
LD I,HL (ED C7)
LD HL,I (ED D7)
Product Specification
eZ80F91 ASSP
eZ80
®
®
CPU Core
®
CPUs.
39
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