EZ80F91NA050SG Zilog, EZ80F91NA050SG Datasheet - Page 315
EZ80F91NA050SG
Manufacturer Part Number
EZ80F91NA050SG
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050SG
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
16 KB
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
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
269-3870
EZ80F91NA050SG
EZ80F91NA050SG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EZ80F91NA050SG
Manufacturer:
ZILOG
Quantity:
20 000
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Table 189. EMAC_IPGT Back-to-Back Settings for Full- and Half-Duplex Modes
PS019215-0910
Note: *The IEEE 802.3, 802.3(u) minimum values are shaded.
Duplex
*12h
Half
Clock Period = 40 ns
MII, RMII/SMII, PMD
EMAC Interpacket Gap
(100 Mbps)
Duplex
IPGT[6:0]
0Dh
0Ch
0Bh
Full
10h
15h
20h
EMAC Interpacket Gap Overview
Interpacket Gap (IPG) is measured between the last nibble of the frame check sequence
(FCS) and the first nibble of the preamble of the next packet. Three registers are available
to fine tune the IPG, the EMAC_IPGT, EMAC_IPGR1, and the EMAC_IPGR2. The first
register EMAC_IPGT determines the back-to-back Transmit IPG. The other two registers
determine the non-back-to-back IPG in two parts.
EMAC_IPGT and the corresponding IPGs for both FULL-DUPLEX and HALF-DUPLEX
modes.
The equations for back-to-back Transmit IPG are determined by the following:
Table 190
FULL-DUPLEX Mode (3 clocks + IPGT clocks) * clock period = IPG
HALF-DUPLEX Mode (6 clocks + IPGT clocks) * clock period = IPG
Interpacket
0.44 µs
0.60 µs
0.76 µs
0.96 µs
1.40 µs
0.12 µs
Gap
on page 307 lists the IPGR2 settings for the non-back-to-back packets.
Duplex
Half
12h
Clock Period = 400 ns
MII, RMII/SMII
(10 Mbps)
Duplex
IPGT[6:0]
0Ch
00h
08h
10h
15h
20h
Full
Interpacket
14.0 µs
1.2 µs
4.4 µs
6.0 µs
7.5 µs
9.6 µs
Gap
Table 189
Duplex
Half
5Ah
Ethernet Media Access Controller
lists the values for the
Clock Period = 100 ns
Product Specification
ENDEC Mode
(10 Mbps)
Duplex
IPGT[6:0]
5Dh
10h
18h
20h
40h
20h
Full
Interpacket
13.0 µs
1.9 µs
2.7 µs
3.5 µs
6.7 µs
9.6 µs
Gap
306
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