M42800A Atmel Corporation, M42800A Datasheet - Page 158

• 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

18.4.4
158
AT91M42800A
Status
The tables below show which parameter in TC_CMR is used to define the effect of each event.
If two or more events occur at the same time, the priority level is defined as follows:
The following bits in the status register are significant in Waveform mode:
Parameter
ASWTRG
AEEVT
ACPC
ACPA
Parameter
BSWTRG
BEEVT
BCPC
BCPB
1. Software Trigger
2. External Event
3. RC Compare
4. RA or RB Compare
• CPAS: RA Compare Status
• CPBS: RB Compare Status
• CPCS: RC Compare Status
• COVFS: Counter Overflow
• ETRGS: External Trigger
There has been a RA Compare match at least once since the last read of the status
There has been a RB Compare match at least once since the last read of the status
There has been a RC Compare match at least once since the last read of the status
Counter has attempted to count past $FFFF since the last read of the status
External trigger has been detected since the last read of the status
TIOA Event
Software Trigger
External Event
RC Compare
RA Compare
TIOB Event
Software Trigger
External Event
RC Compare
RB Compare
1779D–ATARM–14-Apr-06