M42800A Atmel Corporation, M42800A Datasheet - Page 199
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
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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7.23
ARM DDI 0029G
Address pipeline control timing
Figure 7-23 shows the ARM7TDMI APE control timing. The timing parameters used
in Figure 7-23 are listed in Table 7-22.
MAS[1:0]
nTRANS
A[31:0]
MCLK
LOCK
nOPC
nRW
APE
Copyright © 1994-2001. All rights reserved.
T
aph
Symbol
T
T
T
T
ape
apeh
aph
aps
Parameter
MCLKf to address group valid
Address group output hold time from MCLKf
APE hold time from MCLKf
APE set up time to MCLKr
T
aps
Table 7-22 APE control timing parameters
Figure 7-23 APE control timing
T
T
apeh
ape
AC and DC Parameters
Maximum
Parameter
type
Minimum
Minimum
Minimum
7-27
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