EZ80F91NAA50SG Zilog, EZ80F91NAA50SG Datasheet - Page 312

• Manufacturer Part Number: EZ80F91NAA50SG
• Description: IC ACCLAIM MCU 256KB 144BGA
• Manufacturer: Zilog
• Series: eZ80® AcclaimPlus!™r

Specifications of EZ80F91NAA50SG

• 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
• 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: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: eZ80F910300ZCOG, eZ80F910200KITG
• 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: 269-4566

Table 182. CRC/PAD Features of EMAC Configuration Register
PS027001-0707
Bit
Position
0
DCRCC
ADPADN
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
VLPADN
Table 182
Register 1.
Value
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
PADEN
Description
No proprietary header. Normal operation.
Four bytes of proprietary header, ignored by CRC, exists on
the front of IEEE 802.3 frames.
shows the results of different settings for bits [7:4] of EMAC Configuration
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
CRCEN Result
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
No pad or CRC appended.
CRC appended.
Pad to 60 bytes if necessary; append CRC (min. size = 64).
Pad to 60 bytes if necessary; append CRC (min. size = 64).
No pad or CRC appended.
CRC appended.
Pad to 64 bytes if necessary, append CRC (min. size = 68).
Pad to 64 bytes if necessary, append CRC (min. size = 68).
No pad or CRC appended.
CRC appended.
If VLAN not detected, pad to 60, add CRC.
If VLAN detected, pad to 64, add CRC.
If VLAN not detected, pad to 60, add CRC.
If VLAN detected, pad to 64, add CRC.
No pad or CRC appended.
CRC appended.
If VLAN not detected, pad to 60, add CRC.
If VLAN detected, pad to 64, add CRC.
If VLAN not detected, pad to 60, add CRC.
If VLAN detected, pad to 64, add CRC.
Ethernet Media Access Controller
Product Specification
eZ80F91 ASSP
304