參數(shù)資料
型號(hào): LC78626KE
廠商: Sanyo Electric Co.,Ltd.
英文描述: Compact Disc Player DSP(用于CD播放器的8位DSP)
中文描述: 光碟機(jī)的DSP(用于光盤(pán)播放器的8位數(shù)字信號(hào)處理器)
文件頁(yè)數(shù): 24/34頁(yè)
文件大?。?/td> 387K
代理商: LC78626KE
dn = 1:
dn = 0:
Where n = 2 to 5
Set CONTn to be an output pin
Set CONTn to be an input pin
The ports that are set to output pins then they can independently output either high or low levels. The lower four bits (bits
2 to 5) of the single
byte
of data correspond to the respective ports. Starting with the second bit from the LSB end of this
single byte of data, the bits correspond to CONT2, CONT3, CONT4, and CONT5. The command uses a two-byte
command format (RWC1 set).
dn = 1:
dn = 0:
Outputs a high level from the CONTn that is set to being an output
Outputs a low level from the CONTn that is set to being an output
Clock Oscillator Pin 60: XIN, Pin 59: XOUT
By connecting a 16.9344 MHz oscillator to these pins a clock is generated that serves as the time base.
The OSC OFF command is a command to stop the oscillation of the oscillator and the VCO oscillation. Moreover,
depending on the command, double speed playback is also possible.
*
When structuring a double speed playback system, connect a 16.9344 MHz oscillator between the XIN (Pin 60) and
the XOUT (Pin 59), and set the playback speed using the double speed playback command.
*
Recommended crystal/ceramic oscillator constants.
The load capacitance Cin and Cout will have different requirements depending on the actual print circuit board used, and
thus it is necessary to perform verification testing on the use print circuit board. Consult the oscillator manufacturer.
16M and 4.2M Pins Pin 41: 16M, Pin 42: 4.2M
When using double speed/normal speed playback mode, a 16.9344 MHz signal will be output from the 16M/NGJ pin
after the external crystal oscillator 16.9344 MHz. A 4.2336 MHz will be output constantly from the 4.2M pin, forming a
LA9230/40 Series LSI system clock. When OSC is off, both terminals are constantly either high or low.
16M/NGJ pin output switching command
No. 5995-24/34
LC78626KE
Single-byte data + $DB
PORT I/O SET
Single-byte data + $DC
PORT OUTPUT
Code
COMMAND
RES = low
$8E
OSC ON
G
G
$8D
OSC OFF
$CE
XTAL 16M
G
G
$C2
Normal speed playback
G
G
$C1
Double speed playback
Manufacturer
Product No.
Load capacitance
Cin = C out
Dumping resistance
Rd
CITIZEN WATCH CO., LTD.
(Crystal Oscillator)
CSA-309 (16.9344 MHz)
6 pF to 10 pF (±10%)
0
TDK, Ltd.
FCR 16.93M2G (16.93 MHz)
15 pF (±10%)
100
(±10%)
47
(±10%)
(Ceramic oscillator)
FCR 16.93MCG (16.93 MHz)
30 pF (Internal type)
Oscillator
(C1)
(C2)
Code
COMMAND
RES = low
$F3
16M FUNCTION ON
G
G
$F2
NGJ FUNCTION ON
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