M42800A Atmel Corporation, M42800A Datasheet - Page 104
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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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15.11 PIO Status Register
Register Name:
Access Type:
Offset:
Reset Value:
This register indicates which pins are enabled for PIO control. This register is updated when PIO lines are enabled or dis-
abled.
0 = PIO is inactive on the corresponding line (peripheral is active).
1 = PIO is active on the corresponding line (peripheral is inactive).
104
P31
P23
P15
31
23
15
P7
7
AT91M42800A
P30
P22
P14
P6
PIO_PSR
Read-only
0x08
0x3DFFFFFF (A)
0x00FFFFC0 (B)
30
22
14
6
P29
P21
P13
29
21
13
P5
5
P28
P20
P12
P4
28
20
12
4
P27
P19
P11
P3
27
19
11
3
P26
P18
P10
P2
26
18
10
2
P25
P17
P9
P1
25
17
9
1
1779D–ATARM–14-Apr-06
P24
P16
P8
P0
24
16
8
0
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