M42800A Atmel Corporation, M42800A Datasheet - Page 107

• 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

15.15 PIO Input Filter Enable Register
Register Name:
Access Type:
Offset:
This register is used to enable input glitch filters. It affects the pin whether or not the PIO is enabled. The register is pro-
grammed as follows:
0 = No effect.
1 = Enables the glitch filter on the corresponding pin.
15.16 PIO Input Filter Disable Register
Register Name:
Access Type:
Offset:
This register is used to disable input glitch filters. It affects the pin whether or not the PIO is enabled. The register is pro-
grammed as follows:
0 = No effect.
1 = Disables the glitch filter 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_IFER
Write-only
0x20
30
22
14
IO_IFDR
Write-only
0x24
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
107