R40008 Atmel Corporation, R40008 Datasheet - Page 184

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R40008

Manufacturer Part Number
R40008
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of R40008

Flash (kbytes)
0 Kbytes
Pin Count
100
Max. Operating Frequency
75 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
256
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
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
32khz Rtc
No
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

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