AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 635

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

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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