AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 630

• Manufacturer Part Number: AT91SAM7X256B-CU
• Description: IC MCU 256KB FLASH 100TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-CU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Processor Series: 91S
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: CAN, Ethernet, SPI, I2S, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 62
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Package: 100TFBGA
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• On-chip Adc: 8-chx10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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