E-L6452 查看數據表（PDF） - STMicroelectronics

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E-L6452

Dual 13x16 Matrix Head Ink Jet Driver

STMicroelectronics 

L6452

Pin description

Table 1. Pin function - continued

Pin #

Name

Function

Channel Select:

81

ChSel

A low level enables channel A and a high level enables channel B

82

S3

Decoder input signals when EnIC is low

UpCount/S2:

83

UpC/S2

A high level enables the internal counter to up counting. A low level

enables down counting depending on EnlC value it becomes S2.

Reset Count/S1:

84

ResC/S1

A low level resets the internal counter depending on EnlC value it

becomes S1.

Enable Channel:

85

EnCh

A low level enables the selected channel (this input has an internal

pull up resistor)

86

ClkC/S0

A high level clocks the internal counter depending on EnlC value it

becomes S0.

87

StepUpGND Ground of step up block

88

StepUpBoost Boost voltage

89

VstepUp

Driving voltage of power DMOS stage

91

VDD

5V logic supply

93

Rext

An external resistor connected to ground fixes the internal current

source value

94, 95

96, 97

RxB, RxA

VxA, VxB

Current source outputs

RxA, RxB voltage after an optional external filter

98

OnEnable

A low level enables the current source generator according the A/B

and ON/OFF control register bit

99

CRclock

Data on pin CRdata are stored into the register on the rising edge of

this pin

100

CRdata

Control register serial data input

7/22

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