DSP56364 datasheet(24/148 Pages) FREESCALE

24 / 148 page

Reset, Stop, Mode Select, and Interrupt Timing

DSP56364 Technical Data, Rev. 4.1

3-8

Freescale Semiconductor

Delay from WR assertion to interrupt request deassertion

for level sensitive fast interrupts6, 7

• DRAM for all WS

(WS + 3.5)

× T

C – 10.94

—

• SRAM WS = 1

(WS + 3.5)

× T

C – 10.94

—

• SRAM WS = 2, 3

(WS + 3)

× T

C – 10.94

—

•SRAM WS

≥ 4

(WS + 2.5)

× T

C – 10.94

—

Duration for IRQA assertion to recover from Stop state

5.9

—

Delay from IRQA assertion to fetch of first instruction (when

exiting Stop)3, 8

• PLL is not active during Stop (PCTL Bit 17 = 0) and Stop

delay is enabled (OMR Bit 6 = 0)

PLC

× ET

C × PDF +

(128 K

− PLC/2) × T

1.3

13.6

• PLL is not active during Stop (PCTL Bit 17 = 0) and Stop

delay is not enabled (OMR Bit 6 = 1)

PLC

× ET

C × PDF +

(23.75

± 0.5) × T

232.5

12.3

• PLL is active during Stop (PCTL Bit 17 = 1) (Implies No

Stop Delay)

(8.25

± 0.5) × T

77.5

87.5

Duration of level sensitive IRQA assertion to ensure

interrupt service (when exiting Stop)3, 8

• PLL is not active during Stop (PCTL Bit 17 = 0) and Stop

delay is enabled (OMR Bit 6 = 0)

PLC

× ET

C × PDF +

(128 K

− PLC/2) × T

13.6

—

• PLL is not active during Stop (PCTL Bit 17 = 0) and Stop

delay is not enabled (OMR Bit 6 = 1)

PLC

× ET

C × PDF +

(20.5

± 0.5) × T

12.3

—

• PLL is active during Stop (PCTL Bit 17 = 1) (implies no

Stop delay)

5.5

× T

55.0

—

Interrupt Requests Rate

• ESAI, SCI

12TC

—

120.0

•DMA

8TC

—80.0

•

IRQ, NMI (edge trigger)

8TC

—80.0

•

IRQ, NMI (level trigger)

12TC

—

120.0

DMA Requests Rate

• Data read from ESAI, SCI

6TC

—60.0

• Data write to ESAI, SCI

7TC

—70.0

•

IRQ, NMI (edge trigger)

3TC

—30.0

Table 3-7 Reset, Stop, Mode Select, and Interrupt Timing1 (continued)

No.

Characteristics

Expression2

Min

Max

Unit

DSP56364 데이터시트(PDF) 24 Page - Freescale Semiconductor, Inc

DSP56364 데이터시트(HTML) 24 Page - Freescale Semiconductor, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

데이터시트 다운로드

링크 URL