Samsung S5PC100, User Manual

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S5PC100 USER’S MANUAL (REV1.0) HDMI
9.10-21
3.1 HDMI SYSTEM CONTROL REGISTER 0 (HDMI_CON_0, R/W, ADDRESS = 0XF030_0000)
HDMI_CON_0 Bit Description Reset Value
Reserved [7:6] Reserved 0
BLUE_SCR_EN [5]
Blue screen mode control. If this is set, the input video pixels
are discarded and BLUESCREEN_0/1/2 register values are
transmitted for all video data period.
0
Reserved [4:3] Reserved 0
ASP_EN [2]
Audio sample packet generation control.
This bit is only valid if system_en is set.
0 = Discard audio sample
1 = If the audio sample is received, it generates audio sample
packet.
0
PWDN_ENB [1]
TMDS analog block power down mode. If this is set to 0, data
cannot be transferred to a receiver.
0 = Power down
1 = Normal operation mode
0
HDMI_EN [0]
Enable HDMI module in HDMI System. HDMI system has
HDMI module, HDCP module, HAES module, SPDIFR
module and TG module. To enable and run HDMI system
properly, S/W should enable each module.
0 = Disables HDMI module
1 = Enables HDMI module
NOTE : Before enabling HDMI IP, VP & MIXER should be enabled.
0
3.2 HDMI SYSTEM CONTROL REGISTER 1 (HDMI_CON_1, R/W, ADDRESS = 0XF030_0004)
HDMI_CON_1 Bit Description Reset Value
Reserved [7] Reserved 0
PX_LMT_CTRL [6:5]
Pixel value limitation control
00 = By-pass (Do not limit the pixel value)
01 = RGB mode
The value of G in RGB mode is limited according to
HDMI_YMAX and HDMI_YMIN register.
The values of B and R in RGB mode are limited according to
HDMI_CMAX and HDMI_CMIN register
10 = YCbCr mode
All channel’s video input pixels are limited according to
HDMI_YMAX, HDMI_YMIN, HDMI_CMAX and HDMI_CMIN
register
11 = Reserved
0
Reserved [4:0] Reserved 0