M56710FP Datasheet PDF

MITSUBISHI M56710FP F2F MAGNETIC STRIPE ENCORDING CARD READER DESCRIPTION The M56710FP is a semi...

MITSUBISHI M56710FP F2F MAGNETIC STRIPE ENCORDING CARD READER DESCRIPTION The M56710FP is a semiconductor integrated circuit of BiCMOS structure having an F2F demodulator function for magnetic card reader. PIN CONFIGURATION (TOP VIEW) Read control input LDI → 1 NC 20 19 18 17 VCC1 Power supply VCC2 Power supply CX1 Oscillation capacitor CX2 Oscillation capacitor FEATURES q Low current dissipation (0.7mA when on standby as a standard) q Provided with glance-over selection input (4, 8, and 16 bits) q Provided with output polarity (“L” active or “H” active) switching input q Miniature mini-mold package q Wide operating temperature range Ta = -20 – 75°C 2 F2F output F2F ← 3 Noise filter PKO Differentiator input 4 M56710FP PKI → 5 16 ← IB1 Ignore bit 1 15 ← IB2 Ignore bit 2 14 ← INV Invert input 13 → CLS Card travelling 12 → RDT Read data output 11 → RCP Read clock output signal output Amplifier output AMP ← 6 Amplifier (–) input HD2 → 7 APPLICATION Magnetic card reader Amplifier (+) input HD1 → 8 Standard voltage VRF output Grounding GND 9 10 FUNCTION Data signal which is read from magnetic card via magnetic head is input from HD2 and HD1 pins, and converted into F2F pattern signal by analog processing in amplifier OP1, differentiator OP2, sensitivity setting circuit and waveform shaping circuit. If F2F signal is input, the logic section glances over the prescribed number of bits set by IB1 and IB2 input before performing digital processin...