Rainbow-electronics ATA6824 Manual de usuario descargar pdf (Pagina 3)

4931C–AUTO–09/06

ATA6824 [Preliminary]

2. Pin Configuration

Figure 2-1. Pinning QFN32

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

ATA6824 Product name

ZZZZZ Wafer lot number

AL Assembly sub-lot number

VMODE

VINT

RWD

RESET

GND

SIO

CPLO

CPHI

VRES

VBATSW

VBAT

VCC

PGND

PBAT

DIR

PWM

DG3

DG2

DG1

32 31 30 29 28 27 26 25

9 10 11 12 13 14 15 16

Atmel YWW

ATA6824

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 SIO I/O High Voltage (HV) serial interface

9 TX I Transmit signal to serial interface from microcontroller

10 DIR I Defines the rotation direction for the motor

11 PWM I PWM input controls motor speed

12 NC – Not connected

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 ... 21 22

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