M40800 Atmel Corporation, M40800 Datasheet - Page 259

• Manufacturer Part Number: M40800
• Manufacturer: Atmel Corporation

Specifications of M40800

• Flash (kbytes): 0 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 40 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• 32khz Rtc: No
• Calibrated Rc Oscillator: No

B.12.1 Programming and reading watchpoint registers
ARM DDI 0029G
TDI
Scan chain
Read/write
Address
register
TDO
Data
31
4
0
0
A watchpoint register is programmed by shifting data into the EmbeddedICE scan
chain, scan chain 2. The scan chain is a 38-bit shift register comprising:
•
•
•
This setup is shown in Figure B-7 on page B-41.
a 32-bit data field
a 5-bit address field
a read/write bit.
Address
decoder
Copyright © 1994-2001. All rights reserved.
D[31:0]
A[31:0]
Control
Value
Watchpoint registers and comparators
Mask
Figure B-7 EmbeddedICE block diagram
Comparator
+
Update
Debug in Depth
Breakpoint
condition
B-41