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SH79F166AP/044PR Datasheet(PDF) 90 Page - SINOWEALTH Electronic Ltd

Part # SH79F166AP/044PR
Description  Enhanced 8051 Microcontroller with 10bit ADC
PDF  113 Pages
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Manufacturer  SINOWEALTH [SINOWEALTH Electronic Ltd]
Direct Link  https://en.sinowealth.com
Logo SINOWEALTH - SINOWEALTH Electronic Ltd

SH79F166AP/044PR Datasheet(HTML) 90 Page - SINOWEALTH Electronic Ltd

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SH79F166A
90
8.6 Buzzer
8.6.1 Feature
 Output a signal (square wave) used for tones such as a confirmation tone
 Selectable whether to output one of 8 output frequencies or to disable the output
8.6.2 Register
Table 8.30 Buzzer Output Control Register
BDH, Bank0
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
BUZCON
-
-
-
-
BCA2
BCA1
BCA0
BZEN
R/W
-
-
-
-
R/W
R/W
R/W
R/W
Reset Value
(POR/WDT/LVR/PIN)
-
-
-
-
0
0
0
0
Bit Number
Bit Mnemonic
Description
3-1
BCA[3:1]
Buzzer output carrier frequency control bits
000: system clock/8192
001: system clock/4096
010: system clock/2048
011: system clock/1024
100: system clock/512
101:system clock/32
110: system clock/16
111: system clock/8
0
BZEN
Enable buzzer output control bit
0: P5.3 is I/O port
1: P5.3 is buzzer output port



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