參數(shù)資料
型號(hào)： LC72148V
廠商： Sanyo Electric Co.,Ltd.
英文描述： Electronic Tuning PLL Frequency Synthesizer for Car Stereo Systems
中文描述： 電子調(diào)諧鎖相環(huán)頻率合成器的汽車音響系統(tǒng)
文件頁(yè)數(shù)： 13/21頁(yè)
文件大?。?/td> 170K
代理商： LC72148V
Structure of the DO output data (serial output data)
[3] OUT mode
No. 6974-13/21
LC72148V
DI
0
1
0
1
0
0
1
0
DO
I
I
I
I
I
I
I
*
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
*
*
*
*
(
(
*
: Must be set to 0.
Address
Description of the DO output data
Number
Control block/data
Description
Related data
This data is latched from the states of I/O port pins I-1 to I-7.
This data outputs (reports) the states of the pins regardless of the I/O direction specified for the
I/O ports. Data is latched at the point data output mode (OUT mode) is entered.
I1 to I5
←
The I/O-1 to I/O-5 pin states
I6, I7
←
The HCTR/I-6 and LCTR/I-7 pin states
The following data is output if these pins are set to function as output ports or as general-
purpose counter input pins.
I1, I2, I3: Output pin states (open drain)
I4, I5: Output pin state (CMOS)
I6, I7: 0
Hi : “1”
Low : “0”
I/O-1 to I/O-5
H/I-6, L/I-7
OUT1 to OUT5
(1)
I/O port data
I7 to I1
This data is latched from the contents of the IF counter (the 20-bit binary counter).
C19
←
MSB of the binary counter
C0
←
LSB of the binary counter
CTE
CTS0
CTS1
(2)
IF counter binary data
C19 to C0
Serial data input (IN1/IN2)
t
SU
, t
HD
, t
EL
, t
ES
, t
EH
≥
0.45 μs t
LC
< 0.45 μs
CE
CL
DI
Internal data
t
HD
t
SU
t
ES
t
EL
t
EH
t
LC
B0
B1
B2
B3
A0
A1
A2
P0
P1
P2
P3
CTS0 CTS1
GT0
GT1
A3
CE
CL
DI
DO
Note: Since the DO pin is an n-channel open-drain output, the data output times (t
DC
and t
DH
)
depend on the value of the pull-up resistor used and the circuit board capacitance.
t
HD
t
SU
t
ES
t
EL
t
DC
t
DC
t
EH
t
DH
B0
B1
B2
B3
A0
A1
A2
I7
I6
I5
I4
C3
C2
C1
C0
A3
Serial data output (OUT)
t
SU
, t
HD
, t
EL
, t
ES
, t
EH
≥
0.45 μs t
DC
, t
DH
< 0.2 μs
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