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參數資料
| 型號： | HT8656 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Talking Back |
| 中文描述： | 回話 |
| 文件頁數： | 4/11頁 |
| 文件大小： | 641K |
| 代理商： | HT8656 |
Pin Description
Pin No.
Pin Name
I/O
Internal
Connection
Description
1, 2
A6, A7
O
CMOS
DRAM address output
3~8
A5~A0
O
CMOS
DRAM address output
9
RASB
O
CMOS
DRAM row address strobe
10
WRB
O
CMOS
DRAM write enable
11
DATA
I/O
CMOS
DRAM data input/output
12
A8
O
CMOS
DRAM address output
13
CASB
O
CMOS
DRAM column address strobe
14
OSC2
O
—
Oscillator output
15
OSC1
I
—
Oscillator input
16
LE DB
O
NMOS
Open Drain
LED indicator:
Idle: LE D is turned on
Record: LE D flashes
Play: LED is turned off
17
START
O
NMOS
Open Drain
System start pin
18
MOTOR
O
CMOS
Motor drive output (active high) when playing back
19
VSS
I
—
Negative power supply (GND)
20
BIAS
I
—
For internal AMP bias de-coupling
21
AIN1
I
—
Internal AMP first stage input (inverted)
22
AO1
O
—
Internal AMP first stage output
23
AIN2
I
—
Internal AMP second stage input (inverted)
24
IOUT
(8656A)
O
—
Voltage type audio output for an external power AMP
24
IOUT
(8656B)
O
—
Current type audio output for an external transistor
25
VDD
I
—
Positive power supply
26
TE STB
I
Pull-High
For IC test only
27
16KB
I
Pull-High
32Kbps/16Kbps sampling rate selection:
Open/high: 32Kbps
Low: 16Kbps
28
MS
I
Pull-High
64K/256K DRAM size selection:
Open/high: 64K
Low: 256K
HT8656
4
5th May ’98
相關PDF資料 |
PDF描述 |
|---|---|
| HT8658 | Voice Recorder (DRAM) |
| HT86768 | Voice Synthesizer 8-Bit MCU |
| HT86072 | Voice Synthesizer 8-Bit MCU |
| HT86144 | Voice Synthesizer 8-Bit MCU |
| HT86192 | Voice Synthesizer 8-Bit MCU |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT8656A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| HT8656B | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Talking Back |
| HT8657 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| HT86576 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Voice Synthesizer 8-Bit MCU |
| HT8658 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Voice Recorder (DRAM) |
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