EZ80F91AZA50SG Zilog, EZ80F91AZA50SG Datasheet - Page 307
EZ80F91AZA50SG
Manufacturer Part Number
EZ80F91AZA50SG
Description
IC ACCLAIM MCU 256KB 144LQFP
Manufacturer
Zilog
Series
eZ80® AcclaimPlus!™r
Datasheet
1.EZ80F91AZA50SG.pdf
(387 pages)
Specifications of EZ80F91AZA50SG
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-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
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
0 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
269-4564
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 178. Transmit Descriptor Status
Table 179. Receive Descriptor Status
PS027001-0707
Bit
15
14
13
12
11
10
9
8
7
6
5
4
[3:0]
Bit
15
14
13
Name
TxOwner
TxAbort
TxBPA
TxHuge
TxLOOR
TxLCError
TxCrcError
TxPktDeferred
TxXsDfr
TxFifoUnderRun
TxLateCol
TxMaxCol
TxNumberOfCollisions
Name
RxOK
RxAlignError
RxCrcError
Description
0 = Host (eZ80) owns, 1 = EMAC owns.
1 = Packet aborted (not transmitted).
1 = Back pressure applied.
1 = Packet size is very large (Pkt_Size > EmacMaxf).
1 = Type/Length field is out of range (larger than 1518 bytes).
1 = Type/Length field is not a Type field and it does not match the
actual data byte length of the Ethernet packet. The data byte length is
the number of bytes of data in the Ethernet packet between the Type/
Length field and the FCS.
1 = The packet contains an invalid FCS (CRC). This flag is set when
CRCEN = 0 and the last 4 bytes of the packet are not the valid FCS.
1 = Packet is deferred.
1 = Packet is excessively deferred. (> 6071 nibble times in 100 BaseT
or 24,287 bit times in 10 BaseT).
1 = TxFIFO experiences underrun. Check the TxAbort bit to see if the
packet is aborted or retried.
1 = A late collision occurs. Collision is detected at a byte count >
EmacCfg2[5:0]. Collisions detected before the byte count reaches
EmacCfg2[5:0] are early collisions and retried.
1 = The maximum number of collisions occurs. # Collisions >
EmacCfg3[3:0]. These packets are aborted.
This field contains the number of collisions that occur while transmitting
the packet.
Description
1 = Packet received intact.
1 = An odd number of nibbles is received.
1 = The CRC (FCS) is in error.
Ethernet Media Access Controller
Product Specification
eZ80F91 ASSP
299
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