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PCD5096

Universal codec

Philips Electronics 

Philips Semiconductors

Universal codec

Preliminary specification

PCD5096

8.3.7 CONTROL REGISTER 5 (CR5)

CR5 controls the general purpose I/O pin IO0.

Table 23 Control Register 5 (address 7DH)

1

0

IODIR0

IO0

Table 24 Description of CR5 bits

BIT

SYMBOL

DESCRIPTION

1

IODIR0 Direction control for IO0. If IODIR0 = 1, then IO0 is an input. If IODIR0 = 0, then IO0 is

an output. Input during and after reset; see note 1.

0

IO0

State of IO0

Note

1. Depending on the DSP program, the contents of CR5 might be overwritten by the DSP as soon as the reset is

inactive.

8.3.8 CONTROL REGISTER 6 (CR6)

CR6 controls the general purpose I/O pin IO1.

Table 25 Control Register 6 (address 7EH)

1

0

IODIR1

IO1

Table 26 Description of CR6 bits

BIT

SYMBOL

DESCRIPTION

1

IODIR1 Direction control for IO1. If IODIR1 = 1, then IO1 is an input. If IODIR1 = 0, then IO1 is

an output. Input during and after reset; see note 1.

0

IO1

State of IO1

Note

1. Depending on the DSP program, the contents CR6 might be overwritten by the DSP as soon as the reset is inactive.

1997 Jan 22

19

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