ch7011a Chrontel, ch7011a Datasheet - Page 20

• Manufacturer Part Number: ch7011a
• Description: Ch7011 Tv Output Device
• Manufacturer: Chrontel

CHRONTEL
6. Register Control
The CH7011 is controlled via a
and does not use any internally generated clocks so that the device can be written to in all power down modes.
The device retains all register states.
The CH7011 contains a total of 37 registers for user control. A listing of non-Macrovision control bits are
listed below with a brief description of each.
6.1 Non-Macrovision Control Registers Map
The non-Macrovision controls are listed below, divided into three sections: general controls, input / output
controls and VGA to TV controls. A register map and register description follows.
• General Controls
ResetIB
ResetDB
PD[5:0]
VID[7:0]
DID[7:0]
TSTP[1:0]
• Input/Output Controls
XCM
XCMD[7:0]
MCP
PCM
POUTP
POUTE
HPIE, HPIE2
HPIR
IDF[2:0]
IBS
DES
SYO
VSP
HSP
TERM[5:0]
BCOEN
BCO[2:0]
BCOP
GPIOL[1:0]
GOENB[1:0]
SYNCO[1:0]
DACG[1:0]
DACBP
XOSC[1:0]
20
Software serial port reset
Software datapath reset
Power down controls (TVD, DACPD[3:0], Full, Partial)
Version ID register
Device ID register
Enable/select test pattern generation (color bar, ramp)
XCLK 1X, 2X select
Delay adjust between XCLK and D[11:0]
XCLK polarity control
P-Out 1X, 2X select
P-Out clock polarity
P-Out enable
Hot plug detect interrupt enable
Hot plug detect interrupt reset
Input data format
Input buffer select
Decode embedded sync (TV-Out data only)
H/V sync direction control (for TV-Out modes only)
V sync polarity control (sync polarity to TMDS
H sync polarity control (sync polarity to TMDS
Termination detect/check (TMDS
Enable BCO Output
Select output signal for BCO pin
BCO polarity
Read or write level for GPIO pins
Direction control for GPIO pins
Enables/selects sync output for Scart and bypass modes
DAC gain control
DAC bypass
Crystal oscillator adjustments
serial port
. The serial port uses only the SPC clock to latch data into registers,
™
Link, DACT3, DACT2, DACT1, DACT0, SENSE)
™
™
links is not changed)
links is not changed)
201-0000-037 Rev 2.1, 10/20/2004
CH7011A