Rainbow-electronics AT89C5132 Manuale Utente Scaricare il pdf (Pagina 42)

42

AT8xC5132

4173A–8051–08/02

Table 52. IPH0 Register

IPH0 (S:B7h) – Interrupt Priority High Register 0

Reset Value = X000 0000b

76543210

- IPHAUD – IPHS IPHT1 IPHX1 IPHT0 IPHX0

Bit

Number

Bit

Mnemonic Description

7-

Reserved

The values read from this bit is indeterminate. Do not set this bit.

6IPHAUD

Audio Interface Interrupt Priority Level MSB

Refer to Table 48 for priority level description.

5 –

Reserved

The values read from this bit is always 0. Do not set this bit.

4IPHS

Serial Port Interrupt Priority Level MSB

Refer to Table 48 for priority level description.

3IPHT1

Timer 1 Interrupt Priority Level MSB

Refer to Table 48 for priority level description.

2IPHX1

External Interrupt 1 Priority Level MSB

Refer to Table 48 for priority level description.

1IPHT0

Timer 0 Interrupt Priority Level MSB

Refer to Table 48 for priority level description.

0IPHX0

External Interrupt 0 Priority Level MSB

Refer to Table 48 for priority level description.

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 161 162

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