PSF21150 INFINEON [Infineon Technologies AG], PSF21150 Datasheet - Page 202

• Manufacturer Part Number: PSF21150
• Description: IPAC-X ISDN PC ADAPTER CIRCUIT
• Manufacturer: INFINEON [Infineon Technologies AG]

4.3.4
Value after reset: (not defined)
ARX
AR7-0 ... Auxiliary Receive
The value of AR7-0 always reflects the level at pin AUX7-0 at the time when ARX is read
by the host even if a pin is configured as output. If the mask bit for AUX7, 6 is set in the
MASKA register, no interrupt is generated to the IPAC-X, however, the current state at
pin AUX7,6 can be read from AR7,6
Note: In NT and LT modes the pins AUX0-2 are not available as I/O pins.
4.3.5
Value after reset: 00
ATX
AT7-0 ... Auxiliary Transmit
A ’0’ or ’1’ in AT7-0 will drive a low or a high level at pin AUX7-0 if the corresponding
output is enabled in the AOE register.
Note: In NT and LT modes the pins AUX0-2 are not available as I/O pins.
Data Sheet
7
7
ARX - Auxiliary Interface Receive Register
ATX - Auxiliary Interface Transmit Register
AR7
AT7
AR6
AT6
H
AR5
AT5
AR4
AT4
202
AR3
AT3
AR2
AT2
Detailed Register Description
AR1
AT1
0
0
AR0
AT0
PSB 21150
PSF 21150
2000-07-21
WR (3F)
RD (3F)