M42800A Atmel Corporation, M42800A Datasheet - Page 168
M42800A
Manufacturer Part Number
M42800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M42800A.pdf
(224 pages)
4.M42800A.pdf
(27 pages)
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
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Instruction Cycle Timings
6.17
6-26
ready
not ready
Coprocessor register transfer, store to coprocessor
Cycle
1
2
1
2
•
b
b+1
Address
pc+8
pc+12
pc+12
pc+8
pc+8
pc+8
pc+8
pc+12
pc+12
This is the same as described in Coprocessor register transfer, load from coprocessor
on page 6-25, except that the last cycle is omitted.
The cycle timings are listed in Table 6-20 where:
•
Coprocessor register transfer operations are not available in Thumb state.
b represents the busy cycles.
Note
MAS
[1:0]
2
2
2
2
2
2
2
Copyright © 1994-2001. All rights reserved.
nRW
0
1
0
0
0
0
1
Table 6-20 Coprocessor register transfer, store to coprocessor
Data
(pc+8)
Rd
(pc+8)
-
-
-
Rd
nMREQ
1
0
1
1
1
1
0
SEQ
1
0
0
0
0
1
0
nOPC
0
1
0
1
1
1
1
nCPI
0
1
0
0
0
0
1
ARM DDI 0029G
0
0
CPA
1
0
0
0
1
CPB
0
1
1
1
1
0
1
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