EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 100
![IC ACCLAIM MCU 256KB 144-BGA](/photos/12/15/121558/269-144-bga_sml.jpg)
EZ80F91NA050SC
Manufacturer Part Number
EZ80F91NA050SC
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050SC
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
0°C ~ 70°C
Package / Case
144-LBGA
Data Bus Width
8 bit
Maximum Clock Frequency
50 MHz
Data Ram Size
16 KB
Number Of Programmable I/os
32
Number Of Timers
16 Bit
Operating Supply Voltage
3 V to 3.6 V
Mounting Style
SMD/SMT
Height
1.5 mm
Length
13 mm
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Width
13 mm
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
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
No RoHS Version Available
Other names
269-3251
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (3Mb)
PS019215-0910
Figure 20. Memory Interface Bus Operation During CPU Bus Cycles, Normal Operation
Figure 21. Memory Interface Bus Operation During Bus Acknowledge Cycles
During bus acknowledge cycles, the Memory and I/O chip select logic is controlled by the
external address bus and external IORQ and MREQ signals.
External
External
Master
Master
MREQ
MREQ
IORQ
IORQ
Chip Select
Chip Select
Wait State
Wait State
Generator
Generator
eZ80F91
eZ80F91
ADDRESS
ADDRESS
DATA
DATA
WAIT
WAIT
WR
WR
RD
RD
CS0
CS1
CS2
CS3
CS0
CS1
CS2
CS3
Chip Selects and Wait States
Peripheral
Peripheral
Product Specification
External
External
eZ80F91 MCU
91
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