Atmel AT85DVK-07 Especificaciones descargar pdf (Pagina 64)

64

AT85C51SND3Bx

7632A–MP3–03/06

Reset Value = 0000 0000b

Table 77. IPL1 Register

IPL1 (0.B2h) – Interrupt Priority Low Register 1

7 6 5 4 3 2 1 0

- - IPLMMC IPLNFC IPLSPI IPLPSI IPLKB IPLUSB

Bit

Number

Bit

Mnemonic

Description

7-6 -

Reserved

The value read from these bits is always 0. Do not set these bits.

5 IPLMMC

MMC/SD Interrupt Priority Level Lsb

Refer to Ta bl e 70 for priority level description.

4 IPLNFC

NFC Interrupt Priority Level Lsb

Refer to Ta bl e 70 for priority level description.

3 IPLSPI

SPI Interrupt Priority Level Lsb

Refer to Ta bl e 70 for priority level description.

2 IPLPSI

PSI Interrupt Priority Level Lsb

Refer to Ta bl e 70 for priority level description.

1 IPLKB

KBD Interrupt Priority Level Lsb

Refer to Ta bl e 70 for priority level description.

0 IPLUSB

USB Interrupt Priority Level Lsb

Refer to Ta bl e 70 for priority level description.

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 262 263

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