SPFD54124B Drise, SPFD54124B Datasheet - Page 109
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SPFD54124B
Manufacturer Part Number
SPFD54124B
Description
396-Channel 6-Bit Source Driver
Manufacturer
Drise
Datasheet
1.SPFD54124B.pdf
(224 pages)
- Current page: 109 of 224
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7. FUNCTION DESCRIPTIONS
7.1. MCU & RGB Interface
The SPFD54124B features System interfaces and RGB interface to satisfy various needs of small or medium size’s LCD panel. Based on
the application requirements, there are two display modes mostly used in the LCD end product.
1. Still picture display mode
2. Moving picture display mode.
System interface is suitable for still picture display while RGB interface are suitable for moving picture display. Table 7.1 summarizes
different interfaces for various display requirements.
Table 7.1 MCU & RGB Interface Comparisons table
Note 1: RCM1 and RCM0 are H/W setting pins.
Note 2: In RGB + SPI I/F (RCM="1x"), VS, HS, DE, PCLK and D[17:0] are Hi-Z by Driver and can be stop for Host, when ICM='1'.
Note 3: In RGB + SPI I/F (RCM="1x"), the data deliver via GRAM
Note 4: When Power on Driver IC should be detect SMX, SMY, SRGB H/W setting
Note 5: When Power on Driver IC should be detect RCM1, RCM0 H/W setting and get into the I/F mode.
Note 6: When Power on Driver IC should be detect LCM1, LCM0 H/W setting and get into the setting mode.
Note 7: When Power on Driver IC should be detect GM1, GM0 H/W setting and get into the setting mode
7.2. MPU Interface
© ORISE Technology Co., Ltd.
Proprietary & Confidential
Motion /Still selection
Data inverter setting
GRAM Read Cycle
GRAM Write cycle
SMX, SMY, SRGB -When Power On or H/W reset, those function follow H/W pins setting first.
Command setting
Mode selection 1
Mode selection 2
(SHUT H/W pin)
Display On/ Off
Blanking porch
(REV H/W pin)
(IDM H/W pin)
Colors format
Partial mode
DE H/W pin
Input signal
RL H/W pin
TB H/W pin
Input data
Idle Mode
Function
Function
Normal /
TE
-By command setting
-By command setting
-By command setting
-Don’t care in this mode, but should be set to VDDIO or DGND
-Don’t care in this mode, but should be
-Don’t care in this mode
-Control by IFPF[2:0] of COLMOD(3A) -Control by VIPF[3:0] of COLMOD(3A)
Internal Oscillator
set to VDDIO or DGND
8080/ 6800 IF
WRX (R/WX),
Motion or Still
WRX cycle
Refer the
RDX (E)
D[17:0]
picture
D[7:0]
Refer
IMx=
CSX
8080/ 6800 IF + SPI I/F
RCM1, RCM0
MCU Mode
"0x"
Internal Oscillator
D/CX = SCL
Still picture
Refer SCL
D0 = SDA
SDA (D0)
IMx="00"
SPI I/F
Refer
CSX
-By command setting
-By command setting
-The data latched by rising edge of
-When display data coming the DE
-Don’t care in this mode, but should
-Control by DE signal
PCLK when DE=’1’
signal should be VDDIO level
be set to VDDIO or DGND
Motion or Still
VS, HS, DE
Refer PCLK
Refer PCLK
ICM='0'
D[17:0]
109
picture
PCLK
SDA
RGB-1 I/F + SPI I/F
RGB Mode 1
"10"
Internal Oscillator
SDA H/W pin
D/CX = SCL
Still picture
Refer SCL
ICM='1'
enable
Refer
CSX
SDA
RGB I/F + SPI I/F
RCM1, RCM0
-By Command setting
-By Command setting
-By IDM H/W pin
-IDM On/OFF (39h/28h) are disable
-By SHUT H/W pin
-SLPIN(10h), SLPOUT(11h), Display
-By REV H/W pin
-INVON/OFF (21h/20h) are disable
-When DE='0' area, the data of
-By H/W pin
-No commands conflict
-Control by RGBBPCTR (B5h)
On/OFF (29h/28h) are disable
GRAM will keep the same status.
Motion or Still
VS, HS, DE
Refer PCLK
Refer PCLK
.
ICM='0'
D[17:0]
picture
PCLK
SDA
SPFD54124B
RGB-2 I/F + SPI I/F
Preliminary
RGB Mode 2
Preliminary Version: 0.6
"11"
Internal Oscillator
SDA H/W pin
D/CX = SCL
Still picture
Refer SCL
APR. 26, 2007
ICM='1'
enable
Refer
SDA
CSX
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