M42800A Atmel Corporation, M42800A Datasheet - Page 152

• 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

Instruction Cycle Timings
6-10
Cycle
m+1
m+2
Cycle
1
2
•
m
m+1
m+2
Cycle
1
2
•
m
m+1
m+2
m+3
Table 6-6 Multiply accumulate instruction cycle operations (continued)
Copyright © 1994-2001. All rights reserved.
Address
pc+12
pc+12
pc+12
Address
pc+8
pc+12
pc+12
pc+12
pc+12
pc+12
pc+12
Address
pc+8
pc+8
pc+12
pc+12
pc+12
pc+12
pc+12
pc+12
Table 6-8 Multiply accumulate long instruction cycle operations
nRW
0
0
nRW
0
0
0
0
0
0
nRW
0
0
0
0
0
0
0
Table 6-7 Multiply long instruction cycle operations
MAS[1:0]
2
2
MAS[1:0]
i
i
i
i
i
i
MAS[1:0]
2
2
2
2
2
2
2
Data
-
-
Data
(pc+8)
-
-
-
-
-
Data
(pc+8)
-
-
-
-
-
-
nMREQ
1
0
nMREQ
1
1
1
1
1
0
nMREQ
1
1
1
1
1
1
0
SEQ
0
1
SEQ
0
0
0
0
0
1
SEQ
0
0
0
0
0
0
1
ARM DDI 0029G
nOPC
1
1
nOPC
0
1
1
1
1
1
nOPC
0
1
1
1
1
1
1