M55800A Atmel Corporation, M55800A Datasheet - Page 53
M55800A
Manufacturer Part Number
M55800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M55800A.pdf
(29 pages)
4.M55800A.pdf
(256 pages)
5.M55800A.pdf
(28 pages)
Specifications of M55800A
Flash (kbytes)
0 Kbytes
Pin Count
176
Max. Operating Frequency
33 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
58
Ext Interrupts
58
Usb Speed
No
Usb Interface
No
Spi
1
Uart
3
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
72
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
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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12.1
1745F–ATARM–06-Sep-07
Operating Modes
Five operating modes are supported by the APMC and offer different power consumption levels
and event response latency times.
• Normal Mode:
• Idle Mode:
• Slow Clock Mode:
• Standby Mode:
• Power-down Mode:
The Main Power supply is switched on; the ARM Core Clock is enabled and the peripheral
clocks are enabled according to the application requirements.
The Main Power is switched on; the ARM Core Clock is disabled and waiting for the next
interrupt (or a main reset); the peripheral clocks are enabled according to the application
requirements and the PDC transfers are still possible.
Similar to Normal Mode, but the Main Oscillator and the PLL are switched off to save power;
the device core and peripheral run in Slow Clock Mode; Note that Slow Clock Mode is the
mode selected after the reset.
A combination of the Slow Clock Mode and the Idle Mode, which enables the processor to
respond quickly to a wake-up event by keeping very low power consumption.
The Main Power supply is turned off at the external power source until a programmable
edge on the wake-up signal or a programmable RTC Alarm occurs.
AT91M5880A
53
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