M42800A Atmel Corporation, M42800A Datasheet - Page 47

• 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.
1354D–ATARM–08/02
BAT
0
1
0
0
0
0
1
1
1
1
0
0
1
1
PAGES
TDF
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
Selected BAT
Byte-write access type.
Byte-select access type.
16M Bytes
64M Bytes
Page Size
4M Bytes
1M Byte
Number of Cycles Added after the Transfer
Active Bits in Base Address
12 Bits (31 - 20)
10 Bits (31 - 22)
8 Bits (31 - 24)
6 Bits (31 - 26)
0
1
2
3
4
5
6
7
EBI_BAT_BYTE_SELECT
AT91X40 Series
EBI_BAT_BYTE_WRITE
EBI_PAGES_16M
EBI_PAGES_64M
EBI_PAGES_1M
EBI_PAGES_4M
Code Label
EBI_PAGES
Code Label
EBI_TDF_0
EBI_TDF_1
EBI_TDF_2
EBI_TDF_3
EBI_TDF_4
EBI_TDF_5
EBI_TDF_6
EBI_TDF_7
Code Label
EBI_TDF
EBI_BAT
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