参数资料
型号: 951200201
厂商: ATMEL CORP
元件分类: 数字信号处理外设
英文描述: 40-BIT, DSP-FLOATING POINT PROCESSOR, QFP256
封装: MQFP-256
文件页数: 26/50页
文件大小: 702K
代理商: 951200201
32
TSC21020F
4153H–AERO–04/07
Figure 4. Reset
Interrupts
Figure 5. Interrupts
Timer
Figure 6. TIMEXP
Parameter
20 MHz
Frequency
Dependency(1)
Unit
Min
t
SIR IRQ3-0 Setup before CLKIN High
38
38 + 3DT/4
ns
tHIR IRQ3-0 Hold after CLKIN High
0
ns
t
IPW IRQ3-0 Pulse Width
55
t
CK + 5
ns
Note:
1. DT = tCK - 50 ns
Meeting setup and hold guarantees interrupts will be latched in that cycle. Meeting
the pulse width is not necessary if the setup and hold is met. Likewise, meeting the
setup and hold is not necessary if the pulse width is met. See the Hardware Config-
uration chapter of the ADSP-21020 User's Manual from Analog Devices for interrupt
servicing information.
Parameter
20 MHz
Frequency
Dependency(1)
Unit
Max
Min
Max
t
DTEX CLKIN High to TIMEXP
24
ns
Note:
1. DT = t
CK - 50 ns
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