T9000
Preliminary Data Sheet
November 2000
ISDN Network Termination Node (NTN) Device
11 GPIO Ports (continued)
11.1 GPIO Register Set (continued)
Table 93. GPAF0: GPIO Alternate Function Register #0 (0x3B)
Reg
R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
—
Bit 2
—
Bit 1
—
Bit 0
—
GPAF0
R/W
GPAF0.7 GPAF0.6 GPAF0.5 GPAF0.4
RESET Default
0
0
0
0
0
0
0
0
Bit #
Symbol
Name/Description
7
GPAF0.7
GPIO0.7 Alternate Function Selection.
0: No effect on device operation.
1: Overrides GPDIR[DIR0.7]. GPIO0.7 is configured as output #1 of the PWM
module #1.
6
5
GPAF0.6
GPAF0.5
GPAF0.4
—
GPIO0.6 Alternate Function Selection.
0: No effect on device operation.
1: Overrides GPDIR0[DIR0.6]. GPIO0.6 is configured as output #0 of the PWM
module #1.
GPIO0.5 Alternate Function Selection.
0: No effect on device operation.
1: Overrides GPDIR0[DIR0.5]. GPIO0.5 is configured as output #1 of the PWM
module #0.
4
GPIO0.4 Alternate Function Selection.
0: No effect on device operation.
1: Overrides GPDIR0[DIR0.4]. GPIO0.4 is configured as output #0 of the PWM
module #0.
3—0
Reserved. Program to 0.
88
Lucent Technologies Inc.
AGERE [ AGERE SYSTEMS ]
