M42800A Atmel Corporation, M42800A Datasheet - Page 105
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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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15.12 PIO Output Enable Register
Register Name:
Access Type:
Offset:
This register is used to enable PIO output drivers. If the pin is driven by a peripheral, this has no effect on the pin, but the
information is stored. The register is programmed as follows:
0 = No effect.
1 = Enables the PIO output on the corresponding pin.
15.13 PIO Output Disable Register
Register Name:
Access Type:
Offset:
This register is used to disable PIO output drivers. If the pin is driven by the peripheral, this has no effect on the pin, but the
information is stored. The register is programmed as follows:
0 = No effect.
1 = Disables the PIO output on the corresponding pin.
1779D–ATARM–14-Apr-06
P31
P23
P15
P31
P23
P15
P7
P7
31
23
15
31
23
15
7
7
P30
P22
P14
P30
P22
P14
P6
P6
PIO_OER
Write-only
0x10
30
22
14
PIO_ODR
Write-only
0x14
30
22
14
6
6
P29
P21
P13
P29
P21
P13
29
21
13
P5
29
21
13
P5
5
5
P28
P20
P12
P28
P20
P12
28
20
12
P4
28
20
12
P4
4
4
P27
P19
P11
P27
P19
P11
27
19
11
P3
27
19
11
P3
3
3
P26
P18
P10
P26
P18
P10
P2
P2
26
18
10
26
18
10
2
2
AT91M42800A
P25
P17
P25
P17
P9
P1
P9
P1
25
17
25
17
9
1
9
1
P24
P16
P24
P16
P8
P0
P8
P0
24
16
24
16
8
0
8
0
105
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