Atmel AT85DVK-07 Dokumentacja Pobierz pdf (Strona 62)

62

AT85C51SND3Bx

7632A–MP3–03/06

Reset Value = 0000 0000b

Table 75. IPH1 Register

IPH1 (0.B3h) – Interrupt Priority High Register 1

7 6 5 4 3 2 1 0

- - IPHMMC IPHNFC IPHSPI IPHSPI IPHKB IPHUSB

Bit

Number

Bit

Mnemonic

Description

7-6 -

Reserved

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

5 IPHMMC

MMC/SD Interrupt Priority Level Msb

Refer to Ta bl e 70 for priority level description.

4 IPHNFC

NFC Interrupt Priority Level Msb

Refer to Ta bl e 70 for priority level description.

3 IPHSPI

SPI Interrupt Priority Level Msb

Refer to Ta bl e 70 for priority level description.

2 IPHPSI

PSI Interrupt Priority Level Msb

Refer to Ta bl e 70 for priority level description.

1 IPHKB

KBD Interrupt Priority Level Msb

Refer to Ta bl e 70 for priority level description.

0 IPHUSB

USB Interrupt Priority Level Msb

Refer to Ta bl e 70 for priority level description.

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 262 263

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