L9779WD datasheet(143/170 Pages) STMICROELECTRONICS

tên linh kiện	L9779WD

Giải thích chi tiết về linh kiện	Multifunction IC for engine management system

PDF	170 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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143 / 170 page

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L9779WD

Functional description

169

STEP_CNT_H

STEPPER COUNTER HIGH

Address:

1000b

Type:

Reset:

0000 0000

Upstream read block 7

DIA_REG12

0000b

Diagnostic register 12

RD_DATA7

DIA_REG12

0100b

Diagnostic register 12

RD_DATA7

RESP

1000b

Response to WDA

-RD_DATA7

RESPTIME

1100b

MSC RESPTIME

-RD_DATA7

Upstream read block 8

RESPTIME

0001b

RD_DATA8

REQULO

0101b

RD_DATA8

REQUHI

1001b

RD_DATA8

AB1_COUNTER

1101b

RD_DATA8

CONTR_REG1

Command for

OUTn, IGNn

See Control Registers

CONTR_REG1 to 4

Data frame

---

CONTR_REG2

Data frame

---

CONTR_REG3

Data frame

---

CONTR_REG4

Data frame

---

Table 73. Registers (continued)

Address

Description

Written by

Read by

43210

LINEUP2

LINEUP1

RESERVED

CNT[9:5]

[7] LINEUP2: used to assure the alignment of high and low part of the counter

[6] LINEUP1: used to assure the alignment of high and low part of the counter

[5] RESERVED: not used

[4:0] CNT[9:5]: high part of steps count

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