參數(shù)資料
型號(hào)： MSM6789
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： SBC Solid-State Recorder IC
中文描述： 西南貝爾固態(tài)記錄器集成電路
文件頁(yè)數(shù)： 40/53頁(yè)
文件大?。?/td> 813K
代理商： MSM6789
MSM6789A/6789L
Semiconductor
PIN DESCRIPTIONS (for MSM6789L (3.3 V Version))
Symbol
Type
Description
DV
DD
—
Digital power supply.
Insert a bypass capacitor of 0.1
m
F or more between this
pin and the DGND pin.
Analog power supply.
Insert a bypass capacitor of 0.1
m
F or more between this
pin and the AGND pin.
Digital ground.
Analog ground.
Output for analog circuit reference voltage (signal ground).
Inverting input of the built-in OP amplifier.
The non-inverting input pin is
internally connected to SG (signal ground).
AV
DD
—
DGND
AGND
SG, SGC
MIN
LIN
MOUT
LOUT
—
—
O
I
Output of the built-in OP amplifier for MIN and LIN.
O
AMON
O
Connected to the LOUT pin in the recording mode and to the DA converter
output in the playback mode.
This pin connects the built-in LPF input (FIN pin).
Input of the built-in LPF.
FIN
FOUT
ADIN
I
O
I
Output of the built-in LPF.
This pin connects the AD converter input (ADIN pin).
Input of the built-in 12-bit AD converter.
Output of the built-in LPF.
This pin outputs playback waveforms and connects
an external speaker drive amplifier.
These pins connect to SAD pin of serial register and serial voice ROM. These pins
output leading addresses of read/write.
This pin connects to
TAS
pin of serial register and serial voice ROM. This pin is used
to set serial addresses from the SADX and SADY pins into the internal address
counter of the serial register and serial voice ROM.
This pin connects to the
SAS
pin of the serial register and the
SASX
and
SASY
pins
of the serial voice ROM. Clock pin to write serial addresses.
This pin connects to the
RWCK
pin of the serial register and the
RDCK
pin of the
serial voice ROM. Clock pin to read data from and write data into the serial register.
Write Enable.
This pin connects to the
WE
pin of the serial register and DRAM.
This pin selects either read or write mode.
Data I/O.
This pin connects to the DIN and DOUT pins of the serial register and
DRAM. This pin is used to output write data and inputs read data.
Data ROM.
This pin connects to the DOUT pin of the serial voice ROM.
AOUT
O
SADY
SADX
O
TAS
O
SAS
O
RWCK
O
Pin
90
47
40, 55
54
48, 49
53
51
52
50
46
45
43
42
44
79
78
77
76
75
WE
O
DI/O
I/O
DROM
CS1
CS2
I
Chip Slect.
These pins connect
CS
pin of the serial register and the
CS
(
CS1
,
CS2
,
CS3
) pins of the serial voice ROM.
CS3
CS4
MSEL1
MSEL2
O
I
I
These pins select the capacity of the memory to be connected externally.
74
73
85
81
82
83
84
58
59
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