SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 642

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

40.8.7
40.8.7.1
Table 40-35. ICE Interface Timing Specification
Note:
642
Symbol
ICE
ICE
ICE
ICE
ICE
ICE
ICE
0
1
2
3
4
5
6
1. V
SAM7SE512/256/32
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.
Figure 40-11. ICE Interface Signals
TMS/TDI
TCK
TDO
ICE
5
ICE
ICE
6
Conditions
0
(1)
(1)
(1)
(1)
(1)
(1)
(1)
ICE
ICE
2
3
ICE
Min
102
51
51
13
0
3
4
ICE
1
Max
20
6222F–ATARM–14-Jan-11
Units
ns
ns
ns
ns
ns
ns
ns