ad1845jpz-reel Analog Devices, Inc., ad1845jpz-reel Datasheet - Page 24

• Manufacturer Part Number: ad1845jpz-reel
• Description: Parallel-port 16-bit Soundport Stereo Codec
• Manufacturer: Analog Devices, Inc.

LLM
This register’s initial state after reset is “1xx0 1000.”
RLG4:0
res
RLM
This register’s initial state after reset is “1xx0 1000.”
TL7:0
This register’s initial state after reset is “0000 0000.”
AD1845
Right Line Gain, Attenuate, Mute, Mix Register (IXA3:0 = 19)
Lower Timer Bits Register (IXA3:0 = 20)
IXA3:0
IXA3:0
19
20
Left Line Mute. Setting this bit to 1 mutes the left line input into the output mixer.
Right Line Mix Gain. Allows setting the right line mix gain in thirty-two 1.5 dB steps. See Figure 10 for mix
gain level setting.
Reserved for future expansion. Always write zeros to these bits.
Right Line Mute. Setting this bit to 1 mutes the right line input into the output mixer.
Lower Timer Bits. This byte is the lower byte of the timer register containing the eight least significant bits of the
16-bit register. Reads from this register return the same value which was written. The current timer value con-
tained in the counters cannot be read.
A4/G4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Data 7
Data 7
RLM
TL7
Figure 10. Mix Gain Level Setting: AUX1, AUX2, MIC and LINE
A3/G3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Data 6
Data 6
TL6
res
Data 5
A2/G2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Data 5
TL5
res
Data 4
Data 4
RLG4
–24–
TL4
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
A1/G1
Data 3
Data 3
RLG3
TL3
A0/G0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Data 2
Data 2
RLG2
TL2
Mix Gain
+12.0 dB
+10.5 dB
–10.5 dB
–12.0 dB
–13.5 dB
–15.0 dB
–16.5 dB
–18.0 dB
–19.5 dB
–21.0 dB
–22.5 dB
–24.0 dB
–25.5 dB
–27.0 dB
–28.5 dB
–30.0 dB
–31.5 dB
–33.0 dB
–34.5 dB
+9.0 dB
+7.5 dB
+6.0 dB
+4.5 dB
+3.0 dB
+1.5 dB
+0.0 dB
–1.5 dB
–3.0 dB
–4.5 dB
–6.0 dB
–7.5 dB
–9.0 dB
Data 1
RLG1
Data 1
TL1
Data 0
RLG0
Data 0
TL0
REV. C