AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 635

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

Specifications of AT91SAM7X256B-AU

• 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-LQFP
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 62
• Ram Memory Size: 64KB
• Cpu Speed: 55MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 55MHz
• Total Internal Ram Size: 64KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

38.8.6.2
Table 38-28. JTAG Interface Timing specification
Note:
6120H–ATARM–17-Feb-09
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
Figure 38-11. JTAG Interface Signals
TMS/TDI
Outputs
Device
Device
Inputs
TCK
TDO
JTAG
AT91SAM7X512/256/128 Preliminary
JTAG
9
5
JTAG
JTAG
JTAG
Conditions
10
6
0
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
JTAG
JTAG
JTAG
3
7
2
JTAG
JTAG
Min
6.5
5.5
12
2
3
4
0
3
6
4
8
JTAG
1
Max
16
18
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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