M42800A Atmel Corporation, M42800A Datasheet - Page 116

• 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

16.2
Register Name:
Access Type:
Offset:
• VERSION: Version of the Chip (Code Label SF_VERSION)
This value is incremented by one with each new version of the chip (from zero to a maximum value of 31).
• NVPSIZ: Nonvolatile Program Memory Size
• NVDSIZ: Nonvolatile Data Memory Size
• VDSIZ: Volatile Data Memory Size
116
0
0
0
0
1
0
0
0
0
0
1
EXT
31
23
15
7
0
Chip ID Register
AT91M42800A
0
0
1
1
0
0
0
0
0
1
0
NVPSIZ
NVDSIZ
Others
Others
VDSIZ
Others
SF_CIDR
Read-only
0x00
30
22
14
6
1
0
1
0
1
0
0
0
0
1
0
0
NVDSIZ
ARCH
NVPTYP
0
1
1
1
1
0
0
1
0
0
0
29
21
13
5
0
Size
None
32K Bytes
64K Bytes
128K Bytes
256K Bytes
Reserved
Size
None
Reserved
Size
None
1K Byte
2K Bytes
4K Bytes
8K Bytes
Reserved
28
20
12
4
27
19
11
3
VERSION
26
18
10
2
SF_NVPSIZ_NONE
SF_NVPSIZ_32K
SF_NVP_SIZ_128K
SF_NVP_SIZ_256K
–
Code Label: SF_VDSIZ
SF_VDSIZ_NONE
SF_VDSIZ_1K
SF_VDSIZ_2K
SF_VDSIZ_4K
SF_VDSIZ_8K
–
Code Label: SF_NVPSIZ
SF_NVP_SIZ_64K
Code Label: SF_NVDSIZ
SF_NVDSIZ_NONE
–
NVPSIZ
VDSIZ
ARCH
25
17
9
1
1779D–ATARM–14-Apr-06
24
16
8
0