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AM4A: 4-bit CPU, 112 dots, 1-CH voice, dual tone.
P/N
Type
Sec.
(6KHz)
Sec.
(8KHz)
LCD
(SxC)
Duty
Bias
I
O
I/O
Prog.
ROM
RAM
OSC
IR
LVR
PWM
DAC
AM4AA015x
Mask
15
11.3
24 x 3
1/2
1/3
1/2
7
4
8
1K x 15
64
R/XT
-
-
ˇ
-
AM4AB022x
Mask
22
16.5
24 x 3
1/2
1/3
1/2
8
4
8
1K x 15
64
R/XT
-
-
ˇ
ˇ
AM4AC024x
Mask
24
18
28 x 4
1/2
1/3
1/4
1/2
6
4
2
1.5K x 16
128
R/XT
ˇ
ˇ
ˇ
ˇ
Sec:Seconds(voice duration), Prog.ROM:Program ROM
Speech IC
Multi-Channel Voice IC
General Purpose MCU
LCD MCU
32-bit MCU
Recording IC
Development Tool