SBAS495D June 2010 – August 2021 PCM9211
PRODUCTION DATA
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
PFSST | PFSPO2 | PFSPO1 | PFSPO0 | PFSOUT3 | PFSOUT2 | PFSOUT1 | PFSOUT0 |
R-N/A | R-N/A | R-N/A | R-N/A | R-N/A | R-N/A | R-N/A | R-N/A |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
PFSST: Port Sampling Frequency Calculate Status | ||
0: | Calculated | |
1: | Calculating | |
PFSPO[2:0]: Calculated Port Information | ||
000: | DIR | |
001: | ADC | |
010: | AUXIN0 | |
011: | AUXIN1 | |
100: | AUXIN2 | |
101: | Main output port | |
110: | AUX output port | |
111: | DIT | |
PFSOUT[3:0]: Calculated Sampling Frequency | ||
0000: | Out of range | |
0001: | 8 kHz | |
0010: | 11.025 kHz | |
0011: | 12 kHz | |
0100: | 16 kHz | |
0101: | 22.05 kHz | |
0110: | 24 kHz | |
0111: | 32 kHz | |
1000: | 44.1 kHz | |
1001: | 48 kHz | |
1010: | 64 kHz | |
1011: | 88.2 kHz | |
1100: | 96 kHz | |
1101: | 128 kHz | |
1110: | 176.4 kHz | |
1111: | 192 kHz |
PFSST, PFSPO, and PFSOUT always output the status when these registers are read.
The other registers do not have clear functions when these are read. To enable these registers, DIR must be powered on. For example, (Register 40h/RXDIS = 0) PFSST indicates Calculating and PFSOUT indicates the previous value when no source comes to the port that is selected by Register 37h/PFSTGT.