max2140 Maxim Integrated Products, Inc., max2140 Datasheet - Page 11

• Manufacturer Part Number: max2140
• Description: Max2140 Complete Sdars Receiver
• Manufacturer: Maxim Integrated Products, Inc.

MAX2140 Programming Bits:
The MAX2140 conforms to the Philips I
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
the MSB is transmitted (and read) first.
Table 1. MAX2140 Write Address Bytes
Table 2. MAX2140 Read Address Bytes
Table 3. MAX2140 Write Programming Bits
Address
PLLint
PLLfrac2
PLLfrac1
PLLfrac0
Control
CustomGain
PMA_Test
LPFTrim
Unused2
Unused1
Unused0
WRITE-TO MODE
High
High
AS1
Low
High
High
AS1
Low
Serial Interface and Control Registers
High
High
AS0
Low
High
High
AS0
Low
Applications Information
______________________________________________________________________________________
RESET VALUE
01010110
00011110
10010000
01101001
01100000
00000100
00000000
00000000
00000000
00000000
00000000
MSB
2
MSB
—
CA1 and I
1
1
1
1
1
1
I
2
ADDR (hex)
2
C Bit Description
CA2. In all cases,
1
1
1
1
1
1
C2
C4
C6
00
01
02
03
04
05
06
09
08
07
10
2
C standard,
0
0
0
0
0
0
Complete SDARS Receiver
MSB
RFD
PM3
PLS
REF
RF4
F15
F07
1
1
1
0
0
0
0
MAX2140 I
BYTE PLLint:
BYTE PLLfrac2:
ADDRESS BYTE
ADDRESS BYTE
CHP
PM2
RF3
F14
F06
N6
LI1
0
0
0
0
0
0
RFD = reference buffer division: RFD = 0 (/1) and
RFD = 1 (/2)
N6 to N0 is the binary-written main dividing ratio,
integer part.
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)
1
1
1
0
0
0
0
PM1
D48
RF2
F13
F05
IOT
LI0
N5
0
0
0
0
0
0
2
C-Compatible Programming Bit Definition:
0
0
0
0
0
0
CONTROL BYTE
SDR
PM0
RF1
INT
F12
F04
N4
B4
0
0
0
0
0
0
ANT
0
1
1
RF0
SDX
F19
F11
F03
0
1
1
N3
B3
0
0
0
0
0
0
SDF
B2A
F18
F10
F02
LP1
N2
T2
0
1
1
0
0
0
1
0
1
1
0
1
SDB
LP0
F17
F09
F01
N1
B2
T1
1
0
1
0
0
0
LSB
LSB
0
0
0
1
1
1
LSB
SDP
HPF
F16
F08
F00
N0
T0
B1
0
0
0
0
0
0
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