Marantz SR110 Bedienungsanleitung PDF herunterladen (Seite 21)

RESET

SCK

SDATA

XIN ,

XOUT

P1, P0

Vcc1

Vcc2

Vss

Symbol

Pin name

Comment

Reset input

Chip select

inp

When "L", M66005 is initialized.

When "L", communication with the MCU is possible.

When "H", any instruction from the MCU is neglected.

Shift clock input

Serial input data is taken and shifted by the positive edge of SCK.

Serial data input

Clock input

Clock output

When use as a CR oscillator, connect external resistor and

capacitor.

When use an external clock, input external clock to XIN, and

XOUT must be opened.

DIG00~

DIG15

Digit output

Connect to digit (grid) pins of VFD.

Connect to segment (anode) pins of VFD. Pins from SEG00 to

SEG39 correspond to segment pins of VFD as shown in the table

below. SEG36~SEG39 pins are common to DIG12~DIG15 pins.

So, when use SEG36~SEG39, the number of digit to be used is

decreased.

Segment output

Universal port

Generally, use this port as the static output port.

This port also operates as the timing IN/OUT port to control

another M66005.

Positive power supply for internal logic.

Positive power supply for DIG and SEG outputs.

GND (0V)

Negative power supply to pull down.

SEG00~

SEG39

P1 : bidirectional

P0 : output

PIN DESCRIPTIONS

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 31 32

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