M56710FP Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
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M56710FP Datasheet PDF : 8 Pages
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MITSUBISHI <CONTROL / DRIVER IC>
M56710FP
F2F MAGNETIC STRIPE ENCORDING CARD READER
GLANCE-OVER BIT SETTING AND TIMING BY IB1 AND IB2
IB2 input
L
L
H
IB1 input
L
H
L
Number of
glance-over bits
4
8
16
Description
• Internal digital circuit is reset with LDI input at “L”.
• LDI input may be at “H” at all times.
• CLS output turns to “L” after counting the flux change
FC (change in the status of F2F) of the number of
glance-over bits, and returns to “H” when BIC (bit
interval counter) has fully counted. (At “L” active).
H
H
• IB2, IB1: “L”, “L”
F2F
—
—
TBO : Reference bit
x123 4
LDI
BIC
full count
CLS
OPERATING TIMING DIAGRAM
HD2 - HD1
IB2, IB1 : “L”, “L” INV : “H”
F2F
LDI
(5/7)
Bit 1/0 discrimination signal
About 14300 TOSC
TB0
Reference bit
TBn
TBn+
5/7TBn
CLS
RCP
RDT
HD2 - HD1
F2F
LDI
(5/7)
0000 1 0 1 1 0
RDT data is output 1 bit behind F2F data.
CLS
RCP
RDT 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0
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