参数资料
型号: DSP56303AG100
厂商: Freescale Semiconductor
文件页数: 28/108页
文件大小: 0K
描述: IC DSP 24BIT 100MHZ 144-LQFP
特色产品: DSP56303 24-bit Digital Signal Processor
标准包装: 60
系列: DSP563xx
类型: 定点
接口: 主机接口,SSI,SCI
时钟速率: 100MHz
非易失内存: ROM(576 B)
芯片上RAM: 24kB
电压 - 输入/输出: 3.30V
电压 - 核心: 3.30V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
DSP56303 Technical Data, Rev. 11
2-6
Freescale Semiconductor
Specifications
2.5.4
Reset, Stop, Mode Select, and Interrupt Timing
Table 2-7.
Reset, Stop, Mode Select, and Interrupt Timing6
No.
Characteristics
Expression
100 MHz
Unit
Min
Max
8
Delay from RESET assertion to all pins at reset value
3
26.0
ns
9
Required RESET duration4
Power on, external clock generator, PLL disabled
Power on, external clock generator, PLL enabled
Power on, internal oscillator
During STOP, XTAL disabled (PCTL Bit 16 = 0)
During STOP, XTAL enabled (PCTL Bit 16 = 1)
During normal operation
50
× ETC
1000
× ET
C
75000
× ETC
75000
× ETC
2.5
× T
C
2.5
× TC
500.0
10.0
0.75
25.0
ns
s
ms
ns
10
Delay from asynchronous RESET deassertion to first external address
output (internal reset deassertion)5
Minimum
Maximum
3.25
× TC + 2.0
20.25
× TC + 10
34.5
212.5
ns
11
Synchronous reset set-up time from RESET deassertion to CLKOUT
Transition 1
Minimum
Maximum
TC
5.9
10.0
ns
12
Synchronous reset deasserted, delay time from the CLKOUT Transition
1 to the first external address output
Minimum
Maximum
3.25
× TC + 1.0
20.25
× TC + 1.0
33.5
203.5
ns
13
Mode select setup time
30.0
ns
14
Mode select hold time
0.0
ns
15
Minimum edge-triggered interrupt request assertion width
6.6
ns
16
Minimum edge-triggered interrupt request deassertion width
6.6
ns
17
Delay from IRQA, IRQB, IRQC, IRQD, NMI assertion to external
memory access address out valid
Caused by first interrupt instruction fetch
Caused by first interrupt instruction execution
4.25
× T
C + 2.0
7.25
× TC + 2.0
44.5
74.5
ns
18
Delay from IRQA, IRQB, IRQC, IRQD, NMI assertion to general-
purpose transfer output valid caused by first interrupt instruction
execution
10
× TC + 5.0
105.0
ns
19
Delay from address output valid caused by first interrupt instruction
execute to interrupt request deassertion for level sensitive fast
interrupts
1, 7, 8
(WS + 3.75)
× T
C – 10.94
Note 8
ns
20
Delay from RD assertion to interrupt request deassertion for level
sensitive fast interrupts1, 7, 8
(WS + 3.25)
× T
C – 10.94
Note 8
ns
21
Delay from WR assertion to interrupt request deassertion for level
sensitive fast interrupts1, 7, 8
DRAM for all WS
SRAM WS = 1
SRAM WS = 2, 3
SRAM WS
≥ 4
(WS + 3.5)
× TC – 10.94
(WS + 3.5)
× T
C – 10.94
(WS + 3)
× TC – 10.94
(WS + 2.5)
× TC – 10.94
Note 8
ns
22
Synchronous interrupt set-up time from IRQA, IRQB, IRQC, IRQD, NMI
assertion to the CLKOUT Transition 2
5.9
TC
ns
23
Synchronous interrupt delay time from the CLKOUT Transition 2 to the
first external address output valid caused by the first instruction fetch
after coming out of Wait Processing state
Minimum
Maximum
8.25
× T
C + 1.0
24.75
× TC + 5.0
83.5
252.5
ns
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