Data Sheet

Copyright © Bridgetek Pte Ltd 31
BT81X (815/6) Advanced Embedded Video Engine Datasheet
Version 1.0
Document No.: BRT_000220 Clearance No.: BRT#126
04h
triangle wave
Y
Y
36h
DTMF 6
Y
N
05h
Beeping
Y
Y
37h
DTMF 7
Y
N
06h
Alarm
Y
Y
38h
DTMF 8
Y
N
07h
Warble
Y
Y
39h
DTMF 9
Y
N
08h
Carousel
Y
Y
40h
harp
N
Y
10h
1 short pip
N
Y
41h
xylophone
N
Y
11h
2 short pips
N
Y
42h
tuba
N
Y
12h
3 short pips
N
Y
43h
glockenspiel
N
Y
13h
4 short pips
N
Y
44h
organ
N
Y
14h
5 short pips
N
Y
45h
trumpet
N
Y
15h
6 short pips
N
Y
46h
piano
N
Y
16h
7 short pips
N
Y
47h
chimes
N
Y
17h
8 short pips
N
Y
48h
music box
N
Y
18h
9 short pips
N
Y
49h
bell
N
Y
19h
10 short pips
N
Y
50h
click
N
N
1Ah
11 short pips
N
Y
51h
switch
N
N
1Bh
12 short pips
N
Y
52h
cowbell
N
N
1Ch
13 short pips
N
Y
53h
notch
N
N
1Dh
14 short pips
N
Y
54h
hihat
N
N
1Eh
15 short pips
N
Y
55h
kickdrum
N
N
1Fh
16 short pips
N
Y
56h
pop
N
N
23h
DTMF #
Y
N
57h
clack
N
N
2Ch
DTMF *
Y
N
58h
chack
N
N
30h
DTMF 0
Y
N
60h
mute
N
N
31h
DTMF 1
Y
N
61h
unmute
N
N
Table 4-15 Sound Effect
MIDI
note
ANSI
note
Freq (Hz)
MIDI
note
ANSI
note
Freq (Hz)
21
A0
27.5
65
F4
349.2
22
A#0
29.1
66
F#4
370.0
23
B0
30.9
67
G4
392.0
24
C1
32.7
68
G#4
415.3
25
C#1
34.6
69
A4
440.0
26
D1
36.7
70
A#4
466.2
27
D#1
38.9
71
B4
493.9
28
E1
41.2
72
C5
523.3
29
F1
43.7
73
C#5
554.4
30
F#1
46.2
74
D5
587.3
31
G1
49.0
75
D#5
622.3
32
G#1
51.9
76
E5
659.3
33
A1
55.0
77
F5
698.5
34
A#1
58.3
78
F#5
740.0
35
B1
61.7
79
G5
784.0
36
C2
65.4
80
G#5
830.6
37
C#2
69.3
81
A5
880.0
38
D2
73.4
82
A#5
932.3
39
D#2
77.8
83
B5
987.8
40
E2
82.4
84
C6
1046.5
41
F2
87.3
85
C#6
1108.7
42
F#2
92.5
86
D6
1174.7