Rainbow-electronics AT89C5122 Bedienungsanleitung PDF herunterladen (Seite 62)

AT8xC5122/23

4202E–SCR–06/06

Reset Value = 0000 0000b

Reset Value = xxxx 00xxb

Table 38. Port Mode Register 1 - PMOD1 (84h) for AT8xC5122

76543210

P5HC1 P5HC0 P5MC1 P5MC0 P5LC1 P5LC0 P4C1 P4C0

Bit Number Bit Mnemonic Description

7 - 6 P5HC1-P5HC0

Port 5 High Configuration bits (Applicable from P5.6 to P5.7 only)

00 Quasi bi-directional

01 Push-pull

10 Input with weak pull-down

11 Input with weak pull-up

5 - 4 P5MC1-P5MC0

Port 5 Medium Configuration bits (Applicable from P5.3 to P5.5 only)

00 Quasi bi-directional

01 Push-pull

10 Input with weak pull-down

11 Input with weak pull-up

3 - 2 P5LC1-P5LC0

Port 5 Low Configuration bits (Applicable from P5.0 to P5.2 only)

00 Quasi bi-directional

01 Push-pull

10 Input with medium pull-up

11 Input with weak pull-up

1 - 0 P4C1-P4C0

Port 4 Configuration bits (Applicable from P4.3 to P4.5 only)

00 Quasi bi-directional

01 Push-pull

10 Output Low Speed

11 Input with medium pull-up

Table 39. Port Mode Register 1 - PMOD1 (84h) for AT83C5123

76543210

----P5LC1P5LC0--

Bit Number Bit Mnemonic Description

7 - 4

Reserved

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

3 - 2 P5LC1-P5LC0

Port 5 Low Configuration bits (Applicable from P5.0 to P5.2 only)

00 Quasi bi-directional

01 Push-pull

10 Input with medium pull-up

11 Input with weak pull-up

1 - 0

Reserved

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

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 212 213

Kommentare zu diesen Handbüchern

Keine Kommentare

Rainbow-electronics AT89C5122 Bedienungsanleitung Seite 62

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Software Rainbow-electronics AT89C5122