DSP56857 datasheet(199/662 Pages) FREESCALE

199 / 662 page

Overview, Rev. 4

Freescale Semiconductor

8-21

8.7.7.6 Time of Day 1 Second Interval Interrupt Priority Level

(TOD1 IPL)—Bits 5–4

This bit field is used to set the interrupt priority levels for certain peripheral IRQs. These IRQs

are limited to priorities zero through two and are disabled by default.

•

00 = IRQ disabled (default)

•

01 = IRQ is priority level 0

•

10 = IRQ is priority level 1

•

11 = IRQ is priority level 2

8.7.7.7 Time of Day Alarm Interrupt Priority Level

(TOD_ALRM IPL)—Bits 3–2

This bit field is used to set the interrupt priority levels for certain peripheral IRQs. These IRQs

are limited to priorities zero through two and are disabled by default.

•

00 = IRQ disabled (default)

•

01 = IRQ is priority level 0

•

10 = IRQ is priority level 1

•

11 = IRQ is priority level 2

8.7.7.8 Host I/F Command Interrupt Priority Level

(HOST_CMD IPL)—Bits 1–0

This bit field is used to set the interrupt priority levels for certain peripheral IRQs. These IRQs

are limited to priorities zero through two and are disabled by default.

•

00 = IRQ disabled (default)

•

01 = IRQ is priority level 0

•

10 = IRQ is priority level 1

•

11 = IRQ is priority level 2

8.7.8 Interrupt Priority Register 7 (IPR7)

Figure 8-10. Interrupt Priority Register 7 (IPR7)

See Programmer’s Sheet on Appendix page B - 33

Base + $7

Read

TINP3 IPL

TOVS3 IPL

TCMP3 IPL

TINP2 IPL

TOVF2 IPL

TCMP2 IPL

TINP1 IPL

Write

Reset

0000

0000000000

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