Rainbow-electronics AT89C5122 Bedienungsanleitung PDF herunterladen (Seite 165)

165

AT8xC5122/23

4202E–SCR–06/06

Reset Value = X000 0000b (Not bit addressable)

Table 102. Interrupt Priority High Register 0 - IPH0 (B7h)

76543210

- - - PSH PT1H PX1H PT0H PX0H

Bit

Number

Bit

Mnemonic Description

7 - 5 -

Reserved

The value read from this bit is indeterminate. Do not change these bits.

4 PSH

Serial port Priority High bit

H PSL Priority Level

00 Lowest

1 1 Highest

3PT1H

Timer 1 overflow interrupt Priority High bit

PT1H

PT1L Priority Level

00 Lowest

1 1 Highest

2 PX1H

External interrupt 1 Priority High bit

X1H PX1L Priority Level

00 Lowest

1 1 Highest

1PT0H

Timer 0 overflow interrupt Priority High bit

T0H PT0L Priority Level

00 Lowest

1 1 Highest

0 PX0H

External interrupt 0 Priority High bit

PX0H

PX0L Priority Level

00 Lowest

1 1 Highest

1 2 ... 160 161 162 163 164 165 166 167 168 169 170 ... 212 213

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Rainbow-electronics AT89C5122 Bedienungsanleitung Seite 165