WM8802
Product Preview
READ REGISTER 2 (GENERAL-PURPOSE I/O INPUT CONTENTS, FS
CALCULATION RESULT, FS COUNTER DATA)
READ REGISTER OUTPUT CONTENTS
REGISTER ADDRESS
DO7
DO6
DO5
DO4
DO3
DO2
DO1
DO0
CCB address: 0xEB
FSC3
FSC2
FSC1
FSC0
GPO3
GPO2
GPO1
GPO0
GPO0
Read data output contents during general-purpose I/O GPO0 input
setting
0: GPIO0 input = Low
1: GPIO0 input = High
GPO1
GPO2
GPO3
Read data output contents during general-purpose I/O GPIO1 input
setting
0: GPIO1 input = Low
1: GPIO1 input = High
Read data output contents during general-purpose I/O GPIO2 input
setting
0: GPIO2 input = Low
1: GPIO2 input = High
Read data output contents during general-purpose I/O GPIO3 input
setting
0: GPIO3 input = Low
1: GPIO3 input = High
FSC [3:0]
FSC1
Input data fs calculation result
"xxxx": See code table.
CALCULATION RANGE (DESIGN
FSC3
FSC2
FSC0
TARGET FREQUENCY
VALUE)
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Out of range
−
−
−
−
−
−
−
16kHz
22.05kHz
24kHz
32kHz
44.1kHz
48kHz
64kHz
88.2kHz
96kHz
128kHz
176.4kHz
192kHz
15.4k to 16.6kHz
21.2k to 22.9kHz
23.1k to 24.9kHz
30.8k to 33.3kHz
42.4k to 45.8kHz
46.2k to 49.9kHz
615k to 66.7kHz
85.4k to 91.7kHz
93.1k to 100.7kHz
122.9k to 1335kHz
170.7k to 180.7kHz
186.2k to 198.1kHz
Table 21 Input fs Calculation Result Code Table (Ta = 25°C, AVDD = DVDD = 3.3 V)
PP Rev 1.1 April 2004
58
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
