參數(shù)資料
型號(hào)： LC749460W
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP256
封裝： 28 X 28 MM, LQFP-256
文件頁(yè)數(shù)： 17/20頁(yè)
文件大?。?/td> 140K
代理商： LC749460W
LC749460W
No.A1187-6/20
Continued from preceding page.
The Kinds of Signals
The Number of Pins
Pin Symbol
Explanation
Remarks
Clamp pulse
1
CLPP
Clamp pulse for External ADC
Pulse output to check AD clamp period
1
CLPCVBS1
Clamp level for CVBS1
1
CLPCVBS2
Clamp level for CVBS2
1
CLPSY
Clamp level for SY
1
CLPSC
Clamp level for SC
1
CLPY1
Clamp level for Y1
1
CLPCB1
Clamp level for CB1
1
CLPCR1
Clamp level for CR1
1
CLPY2
Clamp level for Y2
1
CLPCB2
Clamp level for CB2
Clamp level
1
CLPCR2
Clamp level for CR2
Clamp level discriminator output
(large: L, small: H, Coincident: Hi-Z)
PWM output
1
PWMO
PWM
Charge pump output
1
CHPMPDO
Charge pump for built-in PLL
Total
52
-
3. Control signal
The Kinds of Signals
The Number of Pins
Pin Symbol
Explanation
Remarks
1
SDA
I
2C data
1
SCL
I
2C clock
I
2C bus
1
I
2CSEL
I
2C slave address switch
Low: “0111000+(R/W)”
High: “0111001+(R/W)”
Normally “L”
1
AIDA
3-wire bus data input/output
1
AICS
3-wire bus chip select
3-wire bus
1
AICK
3-wire bus clock
Total
6
-
4. SDRAM control signal
The Kinds of Signals
The Number of Pins
Pin Symbol
Explanation
Remarks
1
SDCKI
Clock input
clock
1
SDCKO
Clock output
1
SDRAS
Row address strobe signal output
1
SDCAS
Column address strobe signal
output
Control system
signal
1
SDWE
Write enable signal output
11
SDAD
Address signal output
Address system
4
SDBS
Bank select signal output
4
SDDQM
SDRAM data mask signal output
Data system
32
SDDQ
Data input/output
Total
56
-
5. Other signals
The Kinds of Signals
The Number of Pins
Pin Symbol
Explanation
Remarks
1
SCANMD
SCAN test
Generally fixed as “L”
SCAN test
1
SCANEN
SCAN test
Generally fixed as “L”
Test
2
TEST
Test setting
Generally fixed as “L”
4
VRT
4
VRB
Reference input for ADC
4
DACREFP
ADC/AFE
4
DACREFM
Reference output for ADC
Total
20
-
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