MPC18730EPR2 datasheet(5/35 Pages) FREESCALE

5 / 35 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

18730

PIN CONNECTIONS

SW2

Power

Switching

Switching Power Supply Circuit 2 Coil Connection

SW2

Power

Switching

Switching Power Supply Circuit 2 Coil Connection

VIN2

Output

Voltage Output

Switching Power Supply Circuit 2 Output

VOUT2

Output

Voltage Output

Power Switch 2 Output

VO2_SENSE_IN

Input

Voltage Input

Power Switch 2 Voltage Input

VO2_SENSE

Input

Voltage Input

Switching Power Supply Circuit 2 VO2_SENSE Voltage Input

Output

Step Down Top FET 2

Switching Power Supply Circuit 2 Step down Top side FET Gate

Output for Ni_mh

Output

Step Down Bottom

FET 2

Switching Power Supply Circuit 2 Step down Bottom side FRT Gate

Output for Ni_mh

VGATE_EXT

Output

Gate Switch

External Transistor Gate Signal Output

SREGC3

Power

Regulator Capacitor 3

Series Pass Power Supply Circuit 3 External Feedback Connection

SREGO3

Output

Regulator Output 3

Series Pass Power Supply Circuit 3 Output

SREGI3

Power

Regulator Input 3

Series Pass Power Supply Circuit 3 Power Supply

SREGC2

Power

Regulator Capacitor 2

Series Pass Power Supply Circuit 2 External Feedback Connection

SREG2G

Output

Regulator Gate

Output 2

Series Pass Power Supply Circuit 2 External Transistor Gate Signal

Output

SREGO2

Output

Regulator Output 2

Series Pass Power Supply Circuit 2 Output

SREGI2

Power

Regulator Input 2

Series Pass Power Supply Circuit 2 Power Supply

SREGC1

Power

Regulator Capacitor 1

Series Pass Power Supply Circuit 1 External Feedback Connection

SREGO1

Output

Regulator Output 1

Series Pass Power Supply Circuit 1 Output

SREGI1

Power

Regulator Input 1

Series Pass Power Supply Circuit 1 Power Supply

GND

Ground

GND

VREF

Output

Reference Voltage

Reference Voltage Output

DATA

Input

Data Signal

Serial Interface Data Signal Input

STRB

Input

Strobe

Serial Interface Strobe Signal Input

SCKIN

Input

Serial Clock

Serial Interface Clock Signal Input

WATCHDOG

Input

Watch Dog Timer

Watchdog Timer Capacitor Connection

SEQ_SELECT

Input

Sequence Input

Start-Up Sequence Setting Input

EXT_CLOCK

Input

Clock Input

External Synchronous Clock Signal Input

SLEEP

Input

Sleep Signal

Sleep Signal Input

Table 1. MPC18730 Pin Definitions (continued)

A functional description of each pin can be found in the Functional Pin Description section beginning on page 14.

Pin Number

Pin Name

Function

Formal Name

Definition

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