TMC2193KJC datasheet(6/72 Pages) CADEKA

6 / 72 page

TMC2193

PRODUCT SPECIFICATION

REV. 1.0 3/26/03

ANALOG INTERFACE – Support (9 pins)

CBYP1

0.1

µF

Reference Bypass Capacitor for DAC1 and Reference DAC.

Connection point for 0.1

µF Capacitor.

CBYP2

0.1

µF

Reference Bypass Capacitor for DAC2. Connection point for

0.1

µF Capacitor.

CBYP3

0.1

µF

Reference Bypass Capacitor for DAC3. Connection point for

0.1

µF Capacitor.

CBYP4

0.1

µF

Reference Bypass Capacitor for DAC4. Connection point for

0.1

µF Capacitor.

RREF1

1210 Ohm

Current Setting Resistor. Connection point for external current

setting resistor for DAC1. The resistor is connected between

RREF1 and GND. Output video levels are inversely proportional

to the value of RREF1.

RREF2

1210 Ohm

Current Setting Resistor. Connection point for external current

setting resistor for DAC2. The resistor is connected between

RREF2 and GND. Output video levels are inversely proportional

to the value of RREF2.

RREF3

1210 Ohm

Current Setting Resistor. Connection point for external current

setting resistor for DAC3. The resistor is connected between

RREF3 and GND. Output video levels are inversely proportional

to the value of RREF3.

RREF4

1210 Ohm

Current Setting Resistor. Connection point for external current

setting resistor for DAC4. The resistor is connected between

RREF4 and GND. Output video levels are inversely proportional

to the value of RREF4.

VREF

1.235 V

Voltage Reference Input. External voltage reference input,

internal voltage reference output, nominally 1.235V.

MPU INTERFACE (13 pins)

A[1:0]/SA[1:0]

61, 62

TTL

When SER (HIGH), OLUT/control/pointer address.

When SER (LOW), SA[1:0] of serial chip address SA[6:0].

CS/SCL

TTL/R-BUS

When SER (HIGH), microprocessor port clock.

When SER (LOW), serial bus clock.

D[7:0]

63–70

TTL

Bi-directional Data Bus.

RW/SDA

TTL/R-BUS

When SER (HIGH), read/write control.

When SER (LOW), serial bus bi-directional data.

SER

TTL

Microprocessor Select. When LOW, the serial interface is

enabled. When HIGH, the parallel interface is enabled.

POWER & GROUND (17 pins)

AGND

4, 9, 14, 100

0.0V

Analog ground

DGND

26, 40, 53, 71, 97

0.0V

Digital ground

VDD

39, 54, 72, 96

+5.0V

Digital positive power supply

VDDA

1, 7, 12, 17

+5.0V

Analog positive power supply

Pin Deﬁnitions (continued)

Pin Name

Pin Number

Value

Description

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