參數(shù)資料
型號(hào)： AK4533
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Audio Codec with Touch Screen Controller
中文描述： 音頻編解碼器與觸摸屏控制器
文件頁(yè)數(shù)： 23/40頁(yè)
文件大小： 473K
代理商： AK4533
[ASAHI KASEI]
<Revision 0.9a>
July 00
22
Addr = 02h
When AGC bit is set to "0", IPGA value can be changed by the write operation to this register via A/T I/F directly.
When AGC bit is set to "1", The write to IPGA register is ignored. The AK4533 outputs updated value when the read operation is
processed.
IPGA6-0:
IPGA Control
IPGA6-0
DATA (HEX)
47
46
45
44
43
42
:
10
:
06
05
04
03
02
01
00
GAIN (dB)
27.5
27.0
26.5
26.0
25.5
25.0
:
0.0
:
-5.0
-5.5
-6.0
-6.5
-7.0
-7.5
-8
STEP
Default
0.5dB
Addr = 03h
REF6-0:
Recovery Reference Level
This value specifies the upper reference level of Recovery Operation when AGC is activated.
IPGA value is forced to set the same value as Recovery Reference Level when IPGA tries to exceed Recovery Reference Level under
Recovery Operation. Therefore, IPGA is not greater than Recovery Reference Level.
Write the appropriate value when AGC bit is set to "0". Must NOT change this value while AGC is active.
REF6-0
DATA (HEX)
Reference
Level (dB)
27.5
27.0
26.5
:
19.0
:
0.0
:
-5.0
-5.5
-6.0
-6.5
-7.0
-7.5
-8
STEP
47
46
45
:
36
:
10
:
06
05
04
03
02
01
00
default
0.5dB
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