ST7MDT2-DVP2 datasheet(49/150 Pages) STMICROELECTRONICS

부품명	ST7MDT2-DVP2

상세설명	8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces

PDF	150 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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MISCELLANEOUS REGISTERS (Cont’d)

MISCELLANEOUS REGISTER 2 (MISCR2)

Read/Write

Reset Value: 0000 0000 (00h)

Bit 7:6 = Reserved Must always be cleared

Bit 5:4 = BC[1:0] Beep control

These 2 bits select the PF1 pin beep capability.

The beep output signal is available in Active Halt

mode but has to be disabled to reduce the con-

sumption.

Bit 3:2 = Reserved Must always be cleared

Bit 1 = SSM SS mode selection

It is set and cleared by software.

0: Normal mode - SS uses information coming

from the SS pin of the SPI.

1: I/O mode, the SPI uses the information stored

into bit SSI.

Bit 0 = SSI SS internal mode

This bit replaces pin SS of the SPI when bit SSM is

set to 1. (see SPI description). It is set and cleared

by software.

Table 11. Miscellaneous Register Map and Reset Values

BC1

BC0

SSM

SSI

Beep mode with fOSC=16MHz

BC1 BC0

Off

~2 kHz

Output

Beep signal

~50% duty cycle

~1 kHz

~500 Hz

Address

(Hex.)

Label

0020h

MISCR1

Reset Value

IS11

IS10

MCO

IS21

IS20

CP1

CP0

SMS

0040h

MISCR2

Reset Value

BC1

BC0

SSM

SSI

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