Rainbow-electronics AT89C5122 Bedienungsanleitung PDF herunterladen (Seite 168)

168

AT8xC5122/23

4202E–SCR–06/06

Reset Value = XXXX X000b (Not bit addressable)

Table 105. Interrupt Priority High Register 1 - IPH1 (B3h) for AT8xC5122

76543210

- PUSBH - - PSCIH -

Bit

Number

Bit

Mnemonic Description

Reserved

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

6PUSBH

USB Interrupt Priotity High bit

USBH PUSBL Priority Level

00 Lowest

1 1 Highest

5-4 -

Reserved

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

3PSCIH

SCI Interrupt Priority High bit

PSCIH

PSCIL Priority Level

00 Lowest

1 1 Highest

2PSPIH

SPI Interrupt Priority High bit

PSPIH

PSPIL Priority Level

00 Lowest

1 1 Highest

Reserved

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

0 PKBH

Keyboard Interrupt Priority High bit

PKBDH

PKBDL Priority Level

00 Lowest

1 1 Highest

1 2 ... 163 164 165 166 167 168 169 170 171 172 173 ... 212 213

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Rainbow-electronics AT89C5122 Bedienungsanleitung Seite 168