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参数资料
| 型号： | MSM9888L |
| 厂商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Flash-driving Recording and Playback IC |
| 中文描述： | 闪光驱动集成电路录制和回放 |
| 文件页数： | 3/14页 |
| 文件大小： | 106K |
| 代理商： | MSM9888L |
Semiconductor
MSM9888L
3/14
PIN DESCRIPTION
Symbol
DI
DO
SCK
I/O
I
O
I
Description
Inputs the 8-bit command data.
Outputs the 8-bit status data.
Inputs the data transfer clock for the DI and DO pins.
Accepts the SCK pulse, when
CS
is "L" level. Does not accept the SCL pulse
when
CS
is "H" level.
Indicates "H" level during command execution. When driven high, do not input a
command from the external micro-controller.
Outputs "H" level during recording or playback.
1s connected to the DI pin of the serial voice flash memory.
1s connected to the DO pin of the serial voice flash memory.
1s connected to the SCK pin of the serial voice flash memory.
1s connected to the
CS
pin of the serial voice flash memory.
1s connected to the
PRT
pin of the serial voice flash memory.
1s connected to the
RESET
pin of the serial voice flash memory.
Oscillator connecting pins. When using an external clock, input the clock from
the
XT
pin and keep the XT pin open.
The LSI is reset and starts oscillation when "L" level is input, keep "L" level during
oscillation stabilization time. Set to "H" level after oscillation stabilizes.
Analog reference voltage (Signal Ground) output pin
Built-in OP amplifier's invention input pin. The non-invention input pin is
internally connected to SG.
Built-in OP amplifier's output pin
Built-in 12-bit AD converter's input signal
Connected to the LOUT pin when recording mode, and to the DA converter's
output pin when playback mode. Connected to the built-in LPF's input (FIN pin).
Built-in LPF's input pin
Built-in LPF's output pin. Connected to the AD converter's input (ADIN pin).
Built-in LPF's output pin. This is the output pin the played back waveform and
connected to the speaker driving amplifier.
LSI testing pins. Fix to "L".
Digital power supply pin. Insert a bypass capacitor of 0.1
m
F or higher between
this pin and DGND pin.
Digital DGND pin
Analog power supply pin. Insert a bypass capacitor of 0.1
m
F or higher between
this pin and AGND pin.
Analog GND pin
Pin
14
13
12
CS
I
9
BUSY
O
20
MON
FDI
FDO
FSCK
FCS
FPRT
FRESET
XT
XT
O
O
I
O
O
O
O
I
O
15
23
22
24
25
26
27
10
11
RESET
I
16
SG
O
1
LIN
I
28
LOUT
ADIN
O
I
29
4
AMON
O
2
FIN
FOUT
I
3
5
O
AOUT
O
6
TEST0-2
I
DV
DD
—
8
DGND
—
21
AV
DD
—
7
AGND
—
30
17-19
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| MSM9892L | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:2M-bit Serial Voice Flash Memory |
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| MSM9893L | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:4M-bit Serial Voice Flash Memory |
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