参数资料
型号: DSP56311VF150B1
厂商: Freescale Semiconductor
文件页数: 20/96页
文件大小: 0K
描述: IC DSP 24BIT 150MHZ 196-BGA
标准包装: 630
系列: DSP56K/Symphony
类型: 定点
接口: 主机接口,SSI,SCI
时钟速率: 150MHz
非易失内存: ROM(576 B)
芯片上RAM: 384kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.80V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 196-LBGA
供应商设备封装: 196-MAPBGA(15x15)
包装: 托盘
AC Electrical Characteristics
DSP56311 Technical Data, Rev. 8
Freescale Semiconductor
2-7
2.4.4
Reset, Stop, Mode Select, and Interrupt Timing
Table 2-7.
Reset, Stop, Mode Select, and Interrupt Timing6
No.
Characteristics
Expression
150 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
Minimum:
50
× ETC
1000
× ET
C
75000
× ETC
75000
× ETC
2.5
× T
C
2.5
× TC
333.3
6.67
0.50
16.7
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
× T
C + 10
23.7
145.0
ns
13
Mode select set-up 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
Minimum:
4.25
× T
C + 2.0
7.25
× TC + 2.0
30.4
51.0
ns
18
Delay from IRQA, IRQB, IRQC, IRQD, NMI assertion to general-
purpose transfer output valid caused by first interrupt instruction
execution
Minimum:
10
× TC + 5.0
72.0
ns
19
Delay from address output valid caused by first interrupt instruction
execute to interrupt request deassertion for level sensitive fast
interrupts1, 7, 8
Maximum:
(WS + 3.75)
× TC – 10.94
Note 8
ns
20
Delay from RD assertion to interrupt request deassertion for level
sensitive fast interrupts1, 7, 8
Maximum:
(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
Maximum:
(WS + 3.5)
× TC – 10.94
(WS + 3.5)
× TC – 10.94
(WS + 3)
× T
C – 10.94
(WS + 2.5)
× TC – 10.94
Note 8
ns
24
Duration for IRQA assertion to recover from Stop state
5.9
ns
25
Delay from IRQA assertion to fetch of first instruction (when exiting
Stop)2, 3
PLL is not active during Stop (PCTL Bit 17 = 0) and Stop delay is
enabled
(Operating Mode Register Bit 6 = 0)
PLL is not active during Stop (PCTL Bit 17 = 0) and Stop delay is
not enabled (Operating Mode Register Bit 6 = 1)
PLL is active during Stop (PCTL Bit 17 = 1) (Implies No Stop
Delay)
PLC
× ETC × PDF + (128 K
PLC/2)
× TC
PLC
× ETC × PDF + (23.75 ±
0.5)
× TC
(8.25
± 0.5) × T
C
1.3
232.5 ns
51.7
9.1
12.3 ms
58.3
ms
ns
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