SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 255

• 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

B.11.2 Scan chain 1 cells
ARM DDI 0029G
The ARM7TDMI core provides data for scan chain 1 cells as listed in Table B-4.
Copyright © 1994-2001. All rights reserved.
Number
95
96
97
98
99
100
101
102
103
104
105
Table B-3 Scan chain 0 cells (continued)
Number
1
2
3
4
5
a. DCTL is an output from the processor
used to control the unidirectional data out
latch, DOUT[31:0]. The signal is not
visible from the periphery of the
ARM7TDMI core. DCTL is not
described further in this document.
Signal
A[10]
A[9]
A[8]
A[7]
A[6]
A[5]
A[4]
A[3]
A[2]
A[1]
A[0]
Table B-4 Scan chain 1 cells
Signal
D[0]
D[1]
D[2]
D[3]
D[4]
Debug in Depth
Type
Input/output
Input/output
Input/output
Input/output
Input/output
Type
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
B-37