參數(shù)資料
型號(hào): LV24230LP
廠商: SANYO SEMICONDUCTOR CO LTD
元件分類: 調(diào)諧器
英文描述: 1-BAND, AUDIO TUNER, QCC24
封裝: 4 X 4 MM, VQLP-24
文件頁(yè)數(shù): 16/17頁(yè)
文件大?。?/td> 132K
代理商: LV24230LP
LV24230LP
No.A0891-8/17
Digital interface specification (interface specification : reference)
(1). Characteristics of SDA and SCL bus line relative to the I2C bus interface
Standard-mode
High_Speed-mode
Parameter
Symbol
min
max
min
max
unit
SCL clock frequency
FSCL
0
100
0
400
kHz
Fall time of both SDA and SCL
Tf
300
20+0.1Cb
300
ns
Rise time of both SDA and SCL
Tr
1000
20+0.1Cb
300
ns
High time of SCL
THIGH
4.0
0.6
s
Low time of SCL
TLOW
4.7
1.3
s
Hold time of STAT condition
THD ; STA
4.0
0.6
s
Hold time of Data
THD ; DAT
03.45
0
0.9
s
Set-up time of STAT condition
TSU ; STA
4.7
0.6
s
Set-up time of STOP condition
TSU ; STO
4.0
0.6
s
Set-up time of Data
TSU ; DAT
250
100
ns
Bus free time between a STOP and
TBUF
4.7
1.3
s
Capacitivie load for each bus line
Cb
400
pF
*Cb = Total capacitance of one bus line
(2). Register map (On Register Map)
Following is Sub address map of LV24230. Each register becomes 8-bit constitution.
Address
Register Name
Mode
Remark
00h
CHIP_ID
R/W
Chip ID
02h
RADIO_STAT
R
Status of Radio Station
0Bh
RFCAP
R/W
RF Cap bank
0Dh
RADIO_CTRL1
R/W
Radio Control 1
0Eh
RADIO_CTRL2
R/W
Radio Control 2
0Fh
RADIO_CTRL3
R/W
Radio Control 3
10h
TNPL
R
Tune Position Low
11h
TNPH_STAT
R
Tune Position High and Status
19h
REF_CLK_PRS
R/W
Reference clock pre-scalar
1Ah
REF_CLK_DIV
R/W
Reference clock divider
1Bh
REF_CLK_OFF
R/W
Reference clock offset
1Dh
SCN_CTRL
R/W
Scan control
1Eh
TARGET_VAL_L
R/W
Target value Low
1Fh
TARGET_VAL_H
R/W
Target value High
R : Read only register
R/W : Read and Write register
SCL
SDA
THIGH
Repeated START
TSU;STA
THD;DAT TSU;DAT
THD;STA
TLOW
Tr
START Condition
Tf
Tr
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