AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 583

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

37.10.4
37.10.4.1
Table 37-26. ICE Interface Timing Specification
Note:
Symbol
ICE
ICE
ICE
ICE
ICE
ICE
ICE
0
1
2
3
4
5
6
.
1. V
Figure 37-17. ICE Interface Signals
JTAG/ICE Timings
VDDIO
ICE 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
from 3.0V to 3.6V, maximum external capacitor = 40pF
TMS/TDI
TCK
TDO
ICE
5
ICE
ICE
6
0
ICE
ICE
Conditions
(1)
(1)
(1)
(1)
(1)
(1)
(1)
2
3
ICE
4
Min
ICE
102
51
51
13
SAM7S Series [DATASHEET]
1
0
3
Max
6175M–ATARM–26-Oct-12
20
Units
ns
ns
ns
ns
ns
ns
ns
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