L99PD08 datasheet(8/41 Pages) STMICROELECTRONICS

部件名	L99PD08

功能描述	SPI control diagnosis interface device for VIPower M0-5 and M0-5E high side drivers

PDF	41 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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8 / 41 page

Pin definitions and functions

L99PD08

8/41

Doc ID 15872 Rev 3

Figure 2.

Pinning of device in LQFP-32 package

2.1

ST-SPI: SCK, SDI, SDO, CSN

A 16-bit SPI interface is used to control the device. The communication interface is activated

by pulling CSN to low. The SDI is captured with the positive edge of SCK and the data is

shifted out at SDO at the negative edge of SCK. A CSN timeout is implemented.

2.2

CLK_IN0, CLK_IN1

These pins are used to run the two internal PWM base frequency counters to generate the

output PWM.

Each channel can be programmed as steady state ON/OFF output or a PWM output

through the PWM_EN (Addr: hex03) SPI register. During PWM mode, the PWM signal can

be generated either from CLK_IN0 or CLK_IN1 as base counter, selected through the SPI

registers DUTY_CHx (Addr: hex10 – hex17) and PHASE_CHx (Addr: hex18 – hex1F).

CLK_IN0

124

OUT4

CLK_IN1

223

ST4/CS4

GND

322

OUT5

VDDIO

421

ST5/CS5

FAULTN

520

OUT6

SYNC

619

ST6/CS6

MUX_ST/CS

718

OUT7

VCORE3

817

ST7/CS7

PreDiag

Device

L99PD08

LQFP32

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