AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 630

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

38.8.4
Table 38-22. EMAC Signals
Notes:
Table 38-23. EMAC MII Specific Signals
Note:
630
Symbol
EMAC
EMAC
EMAC
Symbol
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1. f: MCK frequency (MHz)
2. V
1. V
AT91SAM7X512/256/128 Preliminary
EMAC Characteristics
VDDIO
VDDIO
Parameter
Setup for EMDIO from EMDC rising
Hold for EMDIO from EMDC rising
EMDIO toggling from EMDC falling
Parameter
Setup for ECOL from ETXCK rising
Hold for ECOL from ETXCK rising
Setup for ECRS from ETXCK rising
Hold for ECRS from ETXCK rising
ETXER toggling from ETXCK rising
ETXEN toggling from ETXCK rising
ETX toggling from ETXCK rising
Setup for ERX from ERXCK
Hold for ERX from ERXCK
Setup for ERXER from ERXCK
Hold for ERXER from ERXCK
Setup for ERXDV from ERXCK
Hold for ERXDV from ERXCK
from 3.0V to 3.6V, maximum external capacitor = 20 pF
from 3.0V to 3.6V, maximum external capacitor = 20 pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Load: 20pF
Conditions
Conditions
(2)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
((1/f)-19) + 4
Min (ns)
Min (ns)
1.5
2
0
2
2
0
4
0
4
2
2
(1)
6120H–ATARM–17-Feb-09
Max (ns)
Max (ns)
4.5
25
25
25