Rainbow-electronics AT89C5132 Manual de usuario descargar pdf (Pagina 44)

44

AT8xC5132

4173A–8051–08/02

Table 54. IPL0 Register

IPL0 (S:B8h) – Interrupt Priority Low Register 0

Reset Value = X000 0000b

76543210

- IPLAUD – IPLS IPLT1 IPLX1 IPLT0 IPLX0

Bit

Number

Bit

Mnemonic Description

7-

Reserved

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

6IPLAUD

Audio Interface Interrupt Priority Level LSB

Refer to Table 48 for priority level description.

5 –

Reserved

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

4IPLS

Serial Port Interrupt Priority Level LSB

Refer to Table 48 for priority level description.

3IPLT1

Timer 1 Interrupt Priority Level LSB

Refer to Table 48 for priority level description.

2IPLX1

External Interrupt 1 Priority Level LSB

Refer to Table 48 for priority level description.

1IPLT0

Timer 0 Interrupt Priority Level LSB

Refer to Table 48 for priority level description.

0IPLX0

External Interrupt 0 Priority Level LSB

Refer to Table 48 for priority level description.

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 161 162

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