AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 584

• 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

37.10.4.2
Table 37-27. JTAG Interface Timing Specification
Note:
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
Figure 37-18. JTAG Interface Signals
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
TMS/TDI
Outputs
Device
Device
Inputs
TDO
TCK
JTAG
JTAG
9
5
JTAG
JTAG
JTAG
10
6
0
JTAG
JTAG
Conditions
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
JTAG
3
7
2
JTAG
JTAG
4
8
JTAG
Min
6.5
5.5
12
SAM7S Series [DATASHEET]
2
3
4
0
3
6
1
6175M–ATARM–26-Oct-12
Max
16
18
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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