M42800A Atmel Corporation, M42800A Datasheet - Page 98

• Manufacturer Part Number: M42800A
• Manufacturer: Atmel Corporation

Specifications of M42800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 54
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• 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: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Memory Interface
3-28
Byte write (register [7:0])
Half word write (register [15:0])
Word write (register [31:0])
Bits
Copyright © 1994-2001. All rights reserved.
31
D[31:24]
D
A
24
D[31:16]
CD
23
D[23:16]
D
B
ABCD
16
D[31:0]
15
D[15:8]
D
C
D[15:0]
8
CD
Figure 3-20 Data replication
7
D[7:0]
D
D
ABCD
0
CD
D
ARM DDI 0029G
ARM
register
interface
interface
interface
Memory
Memory
Memory