AT91SAM7SE256B-AU Atmel, AT91SAM7SE256B-AU Datasheet - Page 643

• Manufacturer Part Number: AT91SAM7SE256B-AU
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K 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: *
• Core: ARM7TDMI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

40.8.7.2
Table 40-36. JTAG Interface Timing specification
Note:
6222F–ATARM–14-Jan-11
Symbol
JTAG
JTAG
JTAG
JTAG
JTAG
JTAG
JTAG
JTAG
JTAG
JTAG
JTAG
0
1
2
3
4
5
6
7
8
9
10
1. V
VDDIO
JTAG Interface Signals
Parameter
TCK Low Half-period
TCK High Half-period
TCK Period
TDI, TMS Setup before TCK High
TDI, TMS Hold after TCK High
TDO Hold Time
TCK Low to TDO Valid
Device Inputs Setup Time
Device Inputs Hold Time
Device Outputs Hold Time
TCK to Device Outputs Valid
from 3.0V to 3.6V, maximum external capacitor = 40pF.
SAM7SE512/256/32 Preliminary
Conditions
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Min
6.5
5.5
12
2
3
4
0
3
6
Max
16
18
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
643