参数资料
型号: MAX2308EVKIT
厂商: Maxim Integrated
文件页数: 13/20页
文件大小: 0K
描述: EVAL KIT
标准包装: 1
系列: *
CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
Table 3. MAX2309 Control Register States
M
L
OPERATIONAL
MODE
ACTION
RESULT
PINS
S
B
CONTROL REGISTER
S
B
Shutdown pin com-
SHUTDOWN
pletely powers down
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
the chip
0 in shutdown register
SHUTDOWN
bit leaves serial bus
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
active
0 in standby pin turns
STANDBY
off VGA and modulator
H
L
0
X
X
1
only
STANDBY
0 in standby register bit
turns off VGA and mod-
ulator only
H
H/
L
H
0
X
0
1
DIVIDER
SELECT
DIVIDER
SELECT
LO BUFFER
ENABLE
LO BUFFER
ENABLE
DIVSEL pin overrides
DIVSEL register bit
If DIVSEL pin is floated,
then register bit selects
divider
BUFEN pin controls the
LO buffer and overrides
the bit
If pin is floated, then
BUFEN register bit
controls buffer
H
H
H/
L
H
H/
L
F
H
F
H
H
0
0
0
0
X
1/
0
X
X
X
X
X
1/
0
1
1
1
1
Note: H = high, L = low, 1 = logic high, 0 = logic low, X = don’t care, blank = independent parameter.
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