EZ80F91NAA50EG Zilog, EZ80F91NAA50EG Datasheet - Page 345
![IC ACCLAIM MCU 256KB 144BGA](/photos/12/15/121561/ez80f91naa50eg_sml.jpg)
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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Table 228. EMAC FIFO Flags Register
PS027001-0707
Bit
Reset
CPU Access
Note: R = Read Only.
Bit
Position
7
TFF
6
5
TFAE
4
TFE
3
RFF
2
RFAF
1
RFAE
0
RFE
EMAC FIFO Flags Register
The FIFO Flags value is set in the EMAC hardware to half full, or 16 bytes. See
Value
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
Description
Transmit FIFO full
Transmit FIFO not full
Reserved
Transmit FIFO almost empty
Transmit FIFO not almost empty
Transmit FIFO empty
Transmit FIFO not empty
Receive FIFO full
Receive FIFO not full
Receive FIFO almost full
Receive FIFO not almost full
Receive FIFO almost empty
Receive FIFO not almost empty
Receive FIFO empty
Receive FIFO not empty
R
7
0
R
6
0
R
5
1
(EMAC_FFLAGS = 0059h)
R
4
1
R
3
0
R
2
0
Ethernet Media Access Controller
R
1
1
Product Specification
R
0
1
eZ80F91 ASSP
Table
228.
337
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