M42800A Atmel Corporation, M42800A Datasheet - Page 220

• 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

iv
AT91M42800A
15 PIO: Parallel I/O Controller ........................................................97
16 SF: Special Function Registers ..............................................115
15.1 Multiplexed I/O Lines ............................................................................97
15.2 Output Selection ................................................................................... 97
15.3 I/O Levels ............................................................................................. 97
15.4 Filters .................................................................................................... 97
15.5 Interrupts .............................................................................................. 98
15.6 User Interface ....................................................................................... 98
15.7 Multi-driver (Open Drain) ...................................................................... 98
15.8 PIO Connection Tables ..................................................................... 100
15.9 PIO Enable Register ........................................................................... 103
15.10 PIO Disable Register ........................................................................ 103
15.11 PIO Status Register ..........................................................................104
15.12 PIO Output Enable Register .............................................................105
15.13 PIO Output Disable Register ............................................................ 105
15.14 PIO Output Status Register .............................................................. 106
15.15 PIO Input Filter Enable Register ....................................................... 107
15.16 PIO Input Filter Disable Register ...................................................... 107
15.17 PIO Input Filter Status Register ........................................................ 108
15.18 PIO Set Output Data Register .......................................................... 109
15.19 PIO Clear Output Data Register ....................................................... 109
15.20 PIO Output Data Status Register ..................................................... 110
15.21 PIO Pin Data Status Register ........................................................... 110
15.22 PIO Interrupt Enable Register .......................................................... 111
15.23 PIO Interrupt Disable Register .......................................................... 111
15.24 PIO Interrupt Mask Register .............................................................112
15.25 PIO Interrupt Status Register ........................................................... 112
15.26 PIO Multi-drive Enable Register ....................................................... 113
15.27 PIO Multi-drive Disable Register ...................................................... 113
15.28 PIO Multi-drive Status Register ........................................................ 114
16.1 Chip Identification ............................................................................... 115
16.2 Chip ID Register ................................................................................. 116
16.3 Chip ID Extension Register ................................................................ 118
16.4 Reset Status Register ......................................................................... 118
16.5 SF Protect Mode Register .................................................................. 119
1779D–ATARM–14-Apr-06