MC68HC705P9CS datasheet(70/160 Pages) FREESCALE

70 / 160 page

Resets and Interrupts

Technical Data

MC68HC705P9 — Rev. 4.0

Resets and Interrupts

MOTOROLA

IRQ/VPP pin. An external interrupt request, shown in Figure 5-5, is

latched as long as any source is holding the IRQ/VPP pin low.

Figure 5-5. External Interrupt Timing

Table 5-2. External Interrupt Timing (VDD = 5.0 Vdc)

(1)

1. VDD = 5.0 Vdc ±10%, VSS = 0 Vdc, TA = TL to TH

Characteristic

Symbol

Min

Max

Unit

Interrupt Pulse Width Low (Edge-Triggered)

tILIH

125

—

Interrupt Pulse Period

tILIL

Note(2)

2. The minimum tILIL should not be less than the number of interrupt service routine cycles plus

19 tCYC.

—

tCYC

Table 5-3. External Interrupt Timing (VDD = 3.3 Vdc)

(1)

1. VDD = 3.3 Vdc ±10%, VSS = 0 Vdc, TA = TL to TH

Characteristic

Symbol

Min

Max

Unit

Interrupt Pulse Width Low (Edge-Triggered)

tILIH

250

—

Interrupt Pulse Period

tILIL

Note(2)

2. The minimum tILIL should not be less than the number of interrupt service routine cycles plus

19 tCYC.

—

tCYC

IRQ (INTERNAL)

tILIH

tILIL

tILIH

IRQ/V

PP PIN

IRQ1

IRQn

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

MC68HC705P9CS 데이터시트(PDF) 70 Page - Freescale Semiconductor, Inc

MC68HC705P9CS 데이터시트(HTML) 70 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