MAX7348AEP-T Maxim Integrated, MAX7348AEP-T Datasheet - Page 22

• Manufacturer Part Number: MAX7348AEP-T
• Description: Peripheral Drivers & Components - PCIs Low-EMI Key Switch & Sounder Controller
• Manufacturer: Maxim Integrated

2-Wire Interfaced Low-EMI Key Switch
and Sounder Controllers
Table 16. Sounder Register Format (continued)
* Sound duration will be slightly longer than these times because each sound always completes a full cycle before stopping.
22
Sounder output active low for sound duration;
queue cleared
Sounder output active high for sound duration;
queue cleared
Sound frequency is 523.25Hz, idles low
Sound frequency is 587.33Hz, idles low
Sound frequency is 659.26, idles low
Sound frequency is 698.46Hz, idles low
Sound frequency is 783.99Hz, idles low
Sound frequency is 880Hz, idles low
Sound frequency is 987.77Hz, idles low
Sound frequency is 1046.5Hz, idles low
Sound frequency is 1318.5Hz, idles low
Sound frequency is 1568Hz, idles low
Sound frequency is 1760Hz, idles low
Sound frequency is 2093Hz, idles low
Sound frequency is 2349.3Hz, idles low
Sound frequency is 2637Hz, idles low
Sound duration is continuous; if an alert sound or
a key sound is programmed as 000xxxxx
(continuous), then the command is treated as
111xxxxx (1000 ms)
Sound duration is 15625ms*
Sound duration is 3125ms*
Sound duration is 625ms*
Sound duration is 125ms*
Sound duration is 250ms*
Sound duration is 500ms*
Sound duration is 1000ms*
Power-up default setting
______________________________________________________________________________________
SOUNDER REGISTER
REGISTER
Note G5
Note G6
Note C5
Note D5
Note E5
Note A5
Note B5
Note C6
Note E6
Note A6
Note C7
Note D7
Note E7
Note F5
—
—
Write
Write
Write
Write
Write
Write
Write
Write
—
WRITE
READ
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
D7
0
0
0
0
1
1
1
1
0
DURATION
DURATION
D6
0
0
1
1
0
0
1
1
0
D5
0
1
0
1
0
1
0
1
0
REGISTER DATA
D4
FREQUENCY
FREQUENCY
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
D3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
D2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
LEVEL BUFFER
LEVEL BUFFER
D1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
BUFFER
D0
0
0
0