Datasheet

N2HET Control Registers

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Table 23-18. Interrupt Offset Encoding Format

Source No. Offset Value

No interrupt 0

Instruction 0, 32, 64... 1

Instruction 1, 33, 65... 2

: :

Instruction 31, 63, 95... 32

Program Overflow 33

APCNT Underflow 34

APCNT Overflow 35

23.4.5 Offset Index Priority Level 2 Register (HETOFF2)

N2HET1: offset = FFF7 B810h; N2HET2: offset = FFF7 B910h

Figure 23-39. Offset Index Priority Level 2 Register (HETOFF2)

31 16

Reserved

R-0

15 6 5 0

Reserved OFFSET2

R-0 R-0

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

Table 23-19. Offset Index Priority Level 2 Register (HETOFF2) Field Descriptions

Bit Field Value Description

31-6 Reserved 0 Read returns 0. Writes have no effect.

5-0 OFFSET2 HETOFF2[5:0] indexes the currently pending low-priority interrupt. Offset values and sources

are listed above and the interrupt encoding format is presented in Table 23-18.

Read: Read of these bits determines the pending N2HET interrupt.

Write: Writes have no effect.

Note: In any read operation mode, the corresponding flag (in the HETFLG) is also cleared. In

Emulation mode the corresponding flag is not cleared.

972

High-End Timer (N2HET) Module SPNU562–May 2014

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