參數(shù)資料
型號(hào)： MAX2140
廠商： Maxim Integrated Products, Inc.
英文描述： Complete SDARS Receiver
中文描述： 完備的SDARS接收器
文件頁數(shù)： 10/12頁
文件大?。?/td> 162K
代理商： MAX2140
M
Complete S DARS Rec eiver
10
______________________________________________________________________________________
Applic ations Information
S erial Interfac e and Control Registers
I
2
C Bit Description
MAX2140 Programming Bits:
The MAX2140 conforms to the Philips I
2
C standard,
400kbps (fast mode), and operates as a slave.
The MAX2140 addresses can be selected from three
values, which are determined by the logic state of the
two address-select pins I
2
CA1 and I
2
CA2. In all cases,
the MSB is transmitted (and read) first.
MAX2140 I
2
C-Compatible Programming Bit Definition:
BYTE PLLint:
RFD = reference buffer division: RFD = 0 (/1) and
RFD = 1 (/2)
N6 to N0 is the binary-written main dividing ratio,
integer part.
BYTE PLLfrac2:
PLS = Reserved: use only PLS = 0
LI1/0 = Reserved: use only LI1 = LI0 = 0
INT = Integer N mode: INT = 1 (fractional) and INT =
0 (integer)
AS1
Low
High
High
AS0
High
Low
High
MSB
1
1
1
ADDRESS BYTE
0
0
0
LSB
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
0
1
Table 1. MAX2140 Write Address Bytes
AS1
Low
High
High
AS0
High
Low
High
MSB
1
1
1
ADDRESS BYTE
0
0
0
LSB
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
0
1
Table 2. MAX2140 Read Address Bytes
WRITE-TO MODE
RESET VALUE
ADDR (hex)
MSB
CONTROL BYTE
LSB
Address
—
C2
C4
C6
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
0
0
0
PLLint
PLLfrac2
PLLfrac1
PLLfrac0
Control
CustomGain
PMA_Test
LPFTrim
Unused2
Unused1
Unused0
01010110
00011110
10010000
01101001
01100000
00000100
00000000
00000000
00000000
00000000
00000000
00
01
02
03
04
05
06
09
08
07
10
RFD
PLS
F15
F07
REF
RF4
PM3
0
0
0
0
N6
LI1
F14
F06
CHP
RF3
PM2
0
0
0
0
N5
LI0
F13
F05
D48
RF2
PM1
IOT
0
0
0
N4
INT
F12
F04
SDR
RF1
PM0
B4
0
0
0
N3
F19
F11
F03
ANT
RF0
SDX
B3
0
0
0
N2
F18
F10
F02
SDF
LP1
T2
B2A
0
0
0
N1
F17
F09
F01
SDB
LP0
T1
B2
0
0
0
N0
F16
F08
F00
SDP
HPF
T0
B1
0
0
0
Table 3. MAX2140 Write Programming Bits
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