M40800 Atmel Corporation, M40800 Datasheet - Page 258

• 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

Debug in Depth
B.12
B-40
The watchpoint registers
The two watchpoint units, known as Watchpoint 0 and Watchpoint 1, each contain three
pairs of registers:
•
•
•
Each register is independently programmable and has a unique address. The function
and mapping of the resisters is shown in Table B-5.
address value and address mask
data value and data mask
control value and control mask.
Copyright © 1994-2001. All rights reserved.
Table B-5 Function and mapping of EmbeddedICE registers
Address
00000
00001
00100
00101
01000
01001
01010
01011
01100
01101
10000
10001
10010
10011
10100
10101
Width
3
5
6
32
32
32
32
32
9
8
32
32
32
32
9
8
Debug control
Debug comms data register
Watchpoint 0 address value
Watchpoint 0 address mask
Watchpoint 0 data value
Watchpoint 0 data mask
Watchpoint 1 address value
Watchpoint 1 address mask
Watchpoint 1 data value
Watchpoint 1 data mask
Function
Debug status
Debug comms control register
Watchpoint 0 control value
Watchpoint 0 control mask
Watchpoint 1 control value
Watchpoint 1 control mask
ARM DDI 0029G