M42800A Atmel Corporation, M42800A Datasheet - Page 61

• 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

12.6
Base Address:
Table 4. PMC Registers
1779D–ATARM–14-Apr-06
Offset
0x00
0x04
0x08
0x0C
0x10
0x14
0x18
0x1C
0x20
0x24
0x28
0x2C
0x30
0x34
0x38
0x3C
PMC User Interface
Register Name
System Clock Enable Register
System Clock Disable Register
System Clock Status Register
Reserved
Peripheral Clock Enable Register
Peripheral Clock Disable Register
Peripheral Clock Status Register
Reserved
Clock Generator Mode Register
Reserved
Reserved
Reserved
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
0xFFFF4000 (Code Label PMC_BASE)
Register
Mnemonic
PMC_SCER
PMC_SCDR
PMC_SCSR
–
PMC_PCER
PMC_PCDR
PMC_PCSR
–
PMC_CGMR
–
–
–
PMC_SR
PMC_IER
PMC_IDR
PMC_IMR
Access
Write-only
Write-only
Read-only
–
Write-only
Write-only
Read-only
–
Read/Write
–
–
–
Read-only
Write-only
Write-only
Read-only
AT91M42800A
Reset Value
0x00000001
0x00000000
0x00000000
0x00000000
0x00000000
–
–
–
–
–
–
–
–
–
–
–
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