03.08.2013 Views

MC9S12VR-Family - Data Sheet - Freescale Semiconductor

MC9S12VR-Family - Data Sheet - Freescale Semiconductor

MC9S12VR-Family - Data Sheet - Freescale Semiconductor

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

7.2 External Signal Description<br />

The INT module has no external signals.<br />

Figure 7-1. INT Block Diagram<br />

7.3 Memory Map and Register Definition<br />

This section provides a detailed description of all registers accessible in the INT module.<br />

7.3.1 Register Descriptions<br />

This section describes in address order all the INT registers and their individual bits.<br />

7.3.1.1 Interrupt Vector Base Register (IVBR)<br />

Address: 0x0120<br />

Read: Anytime<br />

Write: Anytime<br />

Peripheral<br />

Wake Up<br />

Interrupt Requests CPU<br />

Non I bit Maskable Channels<br />

I bit Maskable Channels<br />

Interrupt<br />

Requests<br />

<strong>MC9S12VR</strong> <strong>Family</strong> Reference Manual, Rev. 2.8<br />

Interrupt Module (S12SINTV1)<br />

7 6 5 4 3 2 1 0<br />

R<br />

W<br />

IVB_ADDR[7:0]<br />

Reset 1 1 1 1 1 1 1 1<br />

Figure 7-2. Interrupt Vector Base Register (IVBR)<br />

Vector<br />

Address<br />

<strong>Freescale</strong> <strong>Semiconductor</strong> 245<br />

Priority<br />

Decoder<br />

IVBR<br />

To CPU

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!