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HARDWARE CONFIGURATION
2-83
BUZZER OUTPUT
CIRCUIT
2.13 BUZZER OUTPUT CIRCUIT
The buzzer output sound for checking key input can be output.
Two frequencies can be output by setting the registers.
Block Diagram
Internal bus
TBR
BUZ1
BUZ0
TBCR
BUZR
1/2
10
1/2
11
10
11
Select
CLR
CK
1/2
frequency
10.0 MHz
Time-base timer
Selector
BZ
P-ch high-withstand-voltage port
Fig. 2.42 Buzzer Output Circuit Block Diagram
Registers
The buzzer output block has buzzer register (BUZR).
Address: 000E
H
BUZR
8 bit
R/W Buzzer register
Содержание F2MC-8L Series
Страница 121: ...INSTRUCTIONS 4 7 4 5 F2MC 8L FAMILY INSTRUCTION MAP ...
Страница 123: ...5 MASK OPTIONS ...
Страница 125: ...APPENDIX ...