M40800 Atmel Corporation, M40800 Datasheet - Page 29

• 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

1.3
ARM DDI 0029G
RANGEOUT0
RANGEOUT1
DOUT[31:0]
EXTERN0
EXTERN1
MAS[1:0]
DIN[31:0]
nTRANS
nMREQ
A[31:0]
D[31:0]
nOPC
nRW
Block, core, and functional diagrams
The ARM7TDMI processor architecture, core, and functional diagrams are illustrated
in the following figures:
•
•
•
EmbeddedICE
Figure 1-2 shows a block diagram of the ARM7TDMI processor components and
major signal paths
Figure 1-3 on page 1-8 shows the main processor (this is the logic at the core of
the ARM7TDMI
Figure 1-4 on page 1-9 shows the major signal paths for the ARM7TDMI
processor.
Logic
Copyright © 1994-2001. All rights reserved.
TCK
TMS
TAP controller
nTRST
Figure 1-2 ARM7TDMI processor block diagram
TDI
Scan chain 0
ARM7TDMI
processor
main
logic
TDO
SCREG[3:0]
IR[3:0]
TAPSM[3:0]
All other
signals
Introduction
1-7