PSB2134(1998) View Datasheet(PDF) - Infineon Technologies

Part Name

Description

Manufacturer

PSB2134
(Rev.:1998)

Two/Four Channel Codec Filter for Terminal Applications SICOFI®-2/4-TE

Infineon Technologies 

PSB 2132

PSB 2134

Interrupt Handling

The following example shows the interrupt functionality of channel-pair-1,2,

SBx_x are programmed as outputs:

No

No

Samples Change Change Change Change Change Stable Change Change Change Change Stable Change

SI1_0

SI1_1

SI2_0

SI2_1

INT12

Debounce Time,

Adjusted in XR4

After XOP READ-Command, INT12 is cleared !

(read XR3, XR2, XR1, XR0 within the Interrupt-Handler)

ITD10546

Figure 2

Example, Status Information in XR-Registers for Both Channel-pairs 1,2 and 3,4

The status information of the appropriate channel-pair-1,2 (or 3,4) will be read into the

XR-registers with the rising edge of INT12 (or INT34) and remains valid until the next

rising edge of INT12 (or INT34) updates the status information.

The assigned interrupt INT12 is cleared if the appropriate registers (XR0, XR1, XR2 and

XR3, read with command XOP := 3BH) are read via the serial µC-interface.

Semiconductor Group

5

1998-04-01

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