L9788 datasheet(228/264 Pages) STMICROELECTRONICS

tên linh kiện	L9788

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

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228 / 264 page

Micro second channel (MSC) interface

L9788

228/264

DS12308 Rev 4

[5] RESP_ERR

1: 1 byte of 32-bit response is incorrect: one of the response bytes in the current sequencer

run is wrong, reading WDA status register after the 4th byte write implies that this flag will

always be read as 0.

reset to zero at each sequencer-run

[4] RESP_Z0

1: Controller set response time to 0ms

a correct response within the time window nevertheless increments the error counter by one

0: Response-time is greater than 0ms

[3] CHRT

1: Controller has changed response time

reset to zero after a read access and after the next sequencer run

[2] W_RESP

1: if one of the RESP_BYTEx was incorrect during the previous sequencer run;

0: otherwise

[1] NO_RESP

1: in case of no response at all timer is restarted automatically

reset to zero after a read access

[0] RESP_TOO_EARLY

1: in case the 4 response bytes arrive before time window starts during the previous

sequencer run;

Reset to zero at each sequencer run

FRAME[3]: WATCHDOG PWR_RST_CNT

[7] WDA_RST

See reset matrix

[5:3] PWR_CNT[2:0]

Current value of PWR_CNT register

[2:0] RST_CNT[2:0]

Current value of RST_CNT register

FRAME[4]: WATCHDOG RESPTIME

[7:6] CONFIG-REG9_1

[5:0] RESPTIME[5:0]

CONFIG-REG9_0

L9788 bảng dữ liệu(PDF) 228 Page - STMicroelectronics