Panasonic MN101L Series

Chapter 7
I/O Port
VII - 32 Control Registers
7.2.14 Buzzer output / Buzzer output pin control Register
Buzzer output / Buzzer output pin control register selects the pin function (General IO (GIO) or Buzzer output)
and selects the output pin of BUZ/NBUZ (BUZA or BUZB / NBUZA or NBUZB)
 Buzzer output / Buzzer output pin control Register (BUZCNT: 0x03F5F)
bp 7654321 0
Bit name - - - - NBUZEN BUZEN NBUZSEL BUZSEL
At reset000000 00
Access R R R R R/W R/W R/W R/W
bp Bit name Description
7-4 - Always read as 0.
3NBUZEN
Select the pin function (GIO or NBUZ output).
0: GIO
1: NBUZ output (NBUZA / NBUZB)
2BUZEN
Select the pin function (GIO or BUZ output).
0: GIO
1: BUZ output (BUZA / BUZB)
1 NBUZSEL
Select the output pin of NBUZ output function.
0: NBUZA (P34)
1: NBUZB (P03)
0 BUZSEL
Select the output pin of BUZ output function.
0: BUZA (P33)
1: BUZB (P02)