EZ80F91NAA50EG Zilog, EZ80F91NAA50EG Datasheet - Page 81
EZ80F91NAA50EG
Manufacturer Part Number
EZ80F91NAA50EG
Description
IC ACCLAIM MCU 256KB 144BGA
Manufacturer
Zilog
Series
eZ80® AcclaimPlus!™r
Datasheet
1.EZ80F91AZA50SG.pdf
(387 pages)
Specifications of EZ80F91NAA50EG
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-LBGA
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
8 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, eZ80F910200KITG
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
269-4565
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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eZ80F91 ASSP
Product Specification
73
T1
T2
T
T3
CLK
System Clock
ADDR[23:0]
DATA[7:0]
CSx
RD
WAIT
WR
MREQ
or IORQ
Figure 11. Example: Z80 Bus Mode Write Timing
Intel Bus Mode
Chip selects configured for Intel bus mode modify the CPU bus signals to duplicate a
four-state memory transfer similar to that found on Intel-style microcontrollers. The bus
signals and eZ80F91 pins are mapped as illustrated in
Figure 12
on page 74. In Intel bus
mode, you select either multiplexed or nonmultiplexed address and data buses. In
nonmultiplexed operation, the address and data buses are separate. In multiplexed
operation, the lower byte of the address, ADDR[7:0], also appears on the data bus,
DATA[7:0], during State T1 of the Intel bus mode cycle.
PS027001-0707
Chip Selects and Wait States
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