![Sino Wealth SH79F3283 Скачать руководство пользователя страница 115](http://html1.mh-extra.com/html/sino-wealth/sh79f3283/sh79f3283_manual_1283063115.webp)
SH79F3283
115
8.8 Buzzer
8.8.1 Feature
Output a signal (square wave) used for tones such as confirmation tone
Selectable whether to output one of 8 output frequencies or to disable the output
8.8.2 Register
Table 8.41
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[2:0]
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