Rainbow-electronics ATA6823 Manual de usuario descargar pdf (Pagina 3)

4856E–AUTO–07/07

ATA6823 [Preliminary]

2. Pin Configuration

Figure 2-1. Pinning QFN32

Note: YWW Date code (Y = Year - above 2000, WW = week number)

ATA6823 Product name

ZZZZZ Wafer lot number

AL Assembly sub-lot number

VMODE

VINT

RWD

RESET

GND

LIN

CPLO

CPHI

VRES

EN2

VBATSW

VBAT

VCC

PGND

PBAT

DIR

PWM

EN1

DG3

DG2

DG1

32 31 30 29 28 27 26 25

9 10 11 12 13 14 15 16

Atmel YWW

ATA6823

ZZZZZ-AL

Table 2-1. Pin Description

Pin Symbol I/O Function

1 VMODE I Selector for V

and interface logic voltage level

2 VINT I/O Blocking capacitor 220 nF/10V/X7R

3 RWD I Resistor defining the watchdog interval

4 CC I/O RC combination to adjust cross conduction time

5 /RESET O Reset signal for microcontroller

6 WD I Watchdog trigger signal

7 GND I Ground for chip core

8 LIN I/O LIN-bus terminal

9 TX I Transmit signal to LIN bus from microcontroller

10 DIR I Defines the rotation direction for the motor

11 PWM I PWM input controls motor speed

12 EN1 I Microcontroller output to keep the chip in Active mode

13 RX O Receive signal from LIN bus for microcontroller

14 DG3 O Diagnostic output 3

15 DG2 O Diagnostic output 2

16 DG1 O Diagnostic output 1

17 S1 I/O Source voltage H-bridge, high-side 1

18 H1 O Gate voltage H-bridge, high-side 1

19 S2 I/O Source voltage H-bridge, high-side 2

20 H2 O Gate voltage H-bridge, high-side 2

21 VRES I/O Gate voltage for reverse protection NMOS, blocking capacitor 470 nF/25V/X7R

1 2 3 4 5 6 7 8 ... 27 28

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