ST72F324K4TATRE 데이터 시트보기 (PDF) - STMicroelectronics

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ST72F324K4TATRE

8-bit MCU for automotive, 3.8 to 5.5V operating range with 8 to 32 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI

STMicroelectronics 

On-chip peripherals

MCC beep control register (MCCBCR)

MCCBCR

7

6

5

4

3

Reserved

-

ST72324xx-Auto

Reset value: 0000 0000 (00h)

2

1

0

BC[1:0]

R/W

Table 41. MCCBCR register description

Bit Name

Function

7:2 - Reserved, must be kept cleared

t(s) Beep Control

duc 1:0 BC[1:0]

These 2 bits select the PF1 pin beep capability (see Table 42). The beep output

signal is available in Active Halt mode but has to be disabled to reduce the

consumption.

Pro Table 42.

te BC1

ole 0

bs 0

O 1

- 1

Beep frequency selection

BC0

Beep mode with fOSC2 = 8 MHz

0

Off

1

~2 kHz

0

~1 kHz

1

~500 Hz

Output

Beep signal

~50% duty cycle

ct(s) Table 43. Main clock controller register map and reset values

du Address

ro (Hex.)

Register label

7

6

5

4

3

2

te P 002Bh

SICSR

Reset value

AVDIE AVDF LVDRF

0

0

0

x

0

0

le 002Ch

Obso 002Dh

MCCSR

Reset value

MCCBCR

Reset value

MCO CP1 CP0 SMS TB1 TB0

0

0

0

0

0

0

0

0

0

0

0

0

1

0

WDGRF

0

x

OIE

OIF

0

0

BC1 BC0

0

0

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Doc ID 13841 Rev 1

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