EZ80F91AZ050EG Zilog, EZ80F91AZ050EG Datasheet - Page 308
EZ80F91AZ050EG
Manufacturer Part Number
EZ80F91AZ050EG
Description
IC ACCLAIM MCU 256KB 144LQFP
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91AZ050EG
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-LQFP
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Interface Type
I2C, IrDA, SPI, UART
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
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
269-3867
EZ80F91AZ050EG
EZ80F91AZ050EG
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Table 181. EMAC Configuration Register 1
PS019215-0910
Bit
Reset
CPU Access
Note: R/W = Read/Write.
Bit
Position
7
PADEN
6
ADPADN
5
VLPAD
4
CRCEN
3
FULLD
2
FLCHK
1
HUGEN
EMAC Configuration Register 1
The EMAC Configuration Register 1 allows control of the padding, autodetection, cyclic
redundancy checking (CRC) control, full-duplex, field length checking, maximum packet
ignores, and proprietary header options. See
Value
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Description
No padding. Assume all frames presented to EMAC have
proper length.
EMAC pads all short frames by adding zeroes to the end of the
data field. This bit is used in conjunction with ADPADN and
VLPAD.
Disable autodetection.
Enable frame detection by comparing the two bytes following
the source address with 0x8100 (VLAN Protocol ID) and pad
accordingly. This bit is ignored if PADEN is cleared to 0.
Do not pad all short frames.
EMAC pads all short frames to 64 bytes and append a valid
CRC. This bit is ignored if PADEN is cleared to 0.
Do not append CRC.
Append CRC to every frame regardless of padding options.
HALF-DUPLEX mode. CSMA/CD is enabled.
Enable FULL-DUPLEX mode. CSMA/CD is disabled.
Ignore the length field within Transmit/Receive frames.
Both Transmit and Receive frame lengths are compared to the
length/type field. If the length/type field represents a length
then the frame length check is performed.
Limit the Receive frame-size to the number of bytes specified
in the MAXF[15:0] field.
Allow unlimited sized frames to be received. Ignore the
MAXF[15:0] field.
R/W
7
0
R/W
6
0
R/W
5
0
(EMAC_CFG1 = 0021h)
R/W
4
0
R/W
3
0
Table
181.
R/W
2
0
R/W
Ethernet Media Access Controller
1
0
Product Specification
R/W
0
0
299
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