M55800A Atmel Corporation, M55800A Datasheet - Page 48
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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11.10 EBI User Interface
Base Address: 0xFFE00000 (Code Label EBI_BASE)
Table 11-2.
Notes:
48
Offset
0x0C
0x1C
0x00
0x04
0x08
0x10
0x14
0x18
0x20
0x24
1. 8-bit boot (if BMS is detected high)
2. 16-bit boot (if BMS is detected low)
AT91M5880A
Register Mapping
Memory Control Register
Remap Control Register
The EBI is programmed using the registers listed in the table below. The Remap Control Regis-
ter (EBI_RCR) controls exit from Boot Mode (see
Memory Control Register (EBI_MCR) is used to program the number of active chip selects and
data read protocol. Eight Chip-select Registers (EBI_CSR0 to EBI_CSR7) are used to program
the parameters for the individual external memories. Each EBI_CSR must be programmed with
a different base address, even for unused chip selects.
Chip-select Register 0
Chip-select Register 1
Chip-select Register 2
Chip-select Register 3
Chip-select Register 4
Chip-select Register 5
Chip-select Register 6
Chip-select Register 7
Register
EBI_CSR0
EBI_CSR1
EBI_CSR2
EBI_CSR3
EBI_CSR4
EBI_CSR5
EBI_CSR6
EBI_CSR7
EBI_MCR
EBI_RCR
Name
Section 11.5 “Boot on NCS0” on page
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Write-only
Access
1745F–ATARM–06-Sep-07
0x0000203E
0x0000203D
0x10000000
0x20000000
0x30000000
0x40000000
0x50000000
0x60000000
0x70000000
Reset
–
0
29) The
(1)
(2)
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