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R8A66160SP डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 16-BIT LED DRIVER - Renesas Technology

भाग संख्या R8A66160SP
समारोह 16-BIT LED DRIVER
मैन्युफैक्चरर्स Renesas Technology 
लोगो Renesas Technology लोगो 
पूर्व दर्शन
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<?=R8A66160SP?> डेटा पत्रक पीडीएफ

R8A66160SP pdf
R8A66160DD/SP
PIN CONFIGURATION ( TOP VIEW )
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PARALLEL DATA
OUTPUTS
QA
QB
VCC
1 QA QC 24
2 QB QD 23
3 QE 22
SERIAL DATA INPUT
A
4A
QF 21
ENABLE INPUT
LATCH CLOCK INPUT
OE
CKL
5 OE QG 20
6 CKL QH 19
DIRECT RESET INPUT R
7R
QI 18
SHIFT CLOCK INPUT
CKS
8 CKS QJ 17
GND 9
QK 16
SERIAL DATA OUTPUT SQP 10 SQP QL 15
PARALLEL DATA
OUTPUTS
QO 11 QO QM 14
QP 12 QP QN 13
QC
QD
QE
QF
QG
QH
QI
QJ
QK
QL
QM
QN
PARALLEL DATA
OUTPUTS
FUNCTIONAL DESCRIPTION
As R8A66160 uses silicon gate CMOS process. It realizes high-speed and high-output currents sufficient for
LED drive while maintaining low power consumption and allowance for high noises.
Each bit of a shift register consists of two flip-flop having independent clocks for shifting and latching.
As for clock input, shift clock input CKS and latch clock input CKL are independent from each other, shift and
latch operations being made when “L” changes to “H”.
Serial data input A is the data input of the first-step shift register and the signal of A shifts shifting registers
one by one when a pulse is impressed to CKS. When A is “L”, the signal of “L” shifts.
When the pulse is impressed to CKL, the contents of the shifting register at that time are stored in a latching
register, and they appear in the parallel data outputs from QA ~ QP.
Outputs QA ~ QP are open drain outputs.
To extend the number of bits, use the serial data output SQP which shows the output of the shifting register
of the 16th bit.
When reset input R is changed to “L”, QA ~ QP and SQP are reset. In this case, shifting and latching register
are reset.
If “H” is impressed to output enable input OE, QA ~ QP reaches the high impedance state, but SQP does not
reach the high impedance state. Furthermore, change in OE does not affect shift operation.
FUNCTION TABLE (Note: 1)
Operation mode
Reset
Shift t1
Shift Latch t2
Latch
operation Shift t1
Latch t2
Output disable
Input
Parallel data output
Serial
data Remarks
R CKS CKL
A
OE
QA
QB QC QD
QE QF
QG QH
QI
QJ
QK QL QM
QN QO
QP
output
SQP
L XX XX Z Z Z Z Z Z Z Z Z Z Z Z Z ZZ ZL
H
X
H
L
QA0
QB0 QC0 QD0
QE0 QF0
QG0 QH0 QI0 QJ0
QK0 QL0 QM0
QN0
QO0
QP0
qO0
Output
lighting
HX
X L H qA0 qB0 qC0 qD0 qE0 qF0 qG0 qH0 qI 0 qJ 0 qK0 qL0 qM0 qN0 qO0 qO0 “H”
H X L L QA0 QB0 QC0 QD0 QE0 QF0 QG0 QH0 QI0 QJ0 QK0 QL0 QM0 QN0 QO0 QP0 qO0 Output
HX
XL
Z
qA0 qB0 qC0
qD0
qE0
qF0 qG0
qH0 qI 0
qJ 0 qK0 qL0
qM0 qN0
qO0
qO0
lights-out
“L”
X X X X H Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z qP
Note1:
Q0
X
q0
q
t1, t2
Z
Change from low-level to high-level
Output state Q before CKL changed
Irrelevant
Contents of shift register before CKS changed
Contents of shift register
t2 is set after t1 is set
High Impedance
REJ03F0261-0100 Rev.1.00 Jan.10.2008
page 2 of 7
.

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शेयर लिंक


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