EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 93
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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PS019215-0910
System Clock
ADDR[23:0]
DATA[7:0]
or IORQ
DTACK
MREQ
CSx
R/W
DS
AS
Switching Between Bus Modes
When switching bus modes between Intel™ to Motorola, Motorola to Intel™, eZ80
Motorola, or eZ80 to Intel™, there is one extra SCLK cycle added to the bus access. An
extra clock cycle is not required for repeated access in any of the bus modes (for example,
Intel™ to Intel™). An extra clock cycle is not required for Intel™ (or Motorola) to eZ80
bus mode (under normal operation). The extra clock cycle is not shown in the timing
examples. Due to the asynchronous nature of these bus protocols, the extra delay does not
impact peripheral communication.
Figure 19. Example: Motorola Bus Mode Write Timing
S0
S1
S2
S3
S4
S5
Chip Selects and Wait States
Product Specification
S6
eZ80F91 MCU
S7
®
to
84
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