M42800A Atmel Corporation, M42800A Datasheet - Page 50

• 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

• PAGES: Page Size
• TDF: Data Float Output Time
• BAT: Byte Access Type
• CSEN: Chip Select Enable (Code Label EBI_CSEN)
0 = Chip select is disabled.
1 = Chip select is enabled.
• BA: Base Address (Code Label EBI_BA)
These bits contain the highest bits of the base address. If the page size is larger than 1M byte, the unused bits of the base
address are ignored by the EBI decoder.
50
0
0
1
1
PAGES
0
0
0
0
1
1
1
1
0
1
0
1
AT91M42800A
TDF
0
0
1
1
0
0
1
1
BAT
Page Size
16M Bytes
64M Bytes
4M Bytes
0
1
1M Byte
0
1
0
1
0
1
0
1
Number of Cycles Added after the Transfer
Active Bits in Base Address
Byte-select access type
12 Bits (31 - 20)
10 Bits (31 - 22)
Byte-write access type
8 Bits (31 - 24)
6 Bits (31 - 26)
Selected BAT
0
1
2
3
4
5
6
7
EBI_BAT_BYTE_SELECT
Code Label: EBI_PAGES
EBI_BAT_BYTE_WRITE
Code Label: EBI_BAT
Code Label: EBI_TDF
EBI_PAGES_16M
EBI_PAGES_64M
EBI_PAGES_1M
EBI_PAGES_4M
EBI_TDF_0
EBI_TDF_1
EBI_TDF_2
EBI_TDF_3
EBI_TDF_4
EBI_TDF_5
EBI_TDF_6
EBI_TDF_7
1779D–ATARM–14-Apr-06