CS8416
11.1
Hardware Mode Function Selection
Hardware Mode and several options for that mode are selected by pulling CS8416 pins up or down imme-
diately after RST is released.
1) SDOUT 鈥?Hardware/Software Mode select
2) RCBL 鈥?Serial Port slave/master select
3) NV/RERR 鈥?NVERR/RERR select
4) AUDIO 鈥?Serial Port Format select[1] (0/1)
5) C 鈥?Serial Port Format select[0] (0/1)
6) U 鈥?RMCK Frequency Select (256/128)
7) 96KHZ 鈥?Emphasis Audio Match Off/On
For these pins, the first option is selected by using a pulldown. The second option is selected via a pullup.
11.2
Hardware Mode Settings (Defaults & Controls)
TRUNC = 0
FS[1:0] = 00
Control Register 0
Control Register 1
SWCLK = 1
MUTSAO = 0
INT = N/A, there is no interrupt pin in hardware mode
HOLD[1:0] = 00
RMCKF = Set by U pin pull-up/down at startup
CHS = 0
Control Register 2
DETCI = N/A
EMPH_CNTL[2] = set by 96KHZ pull-up/down at startup
EMPH_CNTL[1:0] = 00
GPO0SEL[3:0] = N/A
Control Register 3
GPO1SEL[3:0] = N/A
GPO2SEL[3:0] = N/A
Control Register 4
RUN = 1
RXD = 0
RX_SEL[2] = 0
RX_SEL[1:0] = RX_SEL[1:0] pins
40
DS578PP2