M42800A Atmel Corporation, M42800A Datasheet - Page 184

• 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

AC and DC Parameters
7.9
7-12
Unidirectional data read cycle timing
Figure 7-8 shows the ARM7TDMI processor unidirectional data read cycle timing. The
timing parameters used in Figure 7-7 are listed in Table 7-7.
DIN[31:0]
nENOUT
BL[3:0]
MCLK
Copyright © 1994-2001. All rights reserved.
T
T
nen
bylh
Symbol
T
T
T
T
T
bylh
byls
dihu
disu
nen
Table 7-8 Unidirectional data read cycle timing parameters
T
byls
Parameter
BL[3:0] hold time from MCLKf
BL[3:0] set up to from MCLKr
DIN[31:0] hold time from MCLKf
DIN[31:0] set up time to MCLKf
MCLKf to nENOUT valid
Figure 7-8 Unidirectional data read cycle timing
T
T
dihu
disu
Minimum
Minimum
Minimum
Minimum
Maximum
Parameter type
ARM DDI 0029G