TB1311AFG
2006-05-29
12
Bus Control Functions
Write Mode
Register Name
Function
Preset Value
CVBS1(2)OUT
Selects the output from CVBS1(2) OUT (pin 4 (17)) for SCART connector.
000: Mute
001: Outputs the same Y, selected by YCbCr1(2) OUT
010: CVBS3 (pin 36)
011: CVBS4 (pin 38)
100: CVBS5 (pin 41)
101: CVBS6 (pin 61)
110: Cr3 (as CVBS) (pin 51)
111: Cr4 (as CVBS) (pin 71)
Mute
(000)
fc HALF1(2)
Switches the frequency of bandwidth limit filters for Cb/Cr
The cutoff frequency of bandwidth limit filters for Cb/Cr is 1/2 to Y.
0: OFF (same for 3 outputs)
1: ON (1/2 fc for Cb/Cr)
OFF
(0)
YCbCr1(2)OUT
Selects the output from Y/Cb/Cr OUT1(2) (pins 6, 8, 10 (19, 21, 23)).
(Y OUT, Cb OUT, Cr OUT) =
0000: Mute (mute, mute, mute)
0001: SY1 (pin 57), SC1 (pin 59), mute
0010: SY2 (pin 77), SC2 (pin 79), mute
0011: CVBS3 (pin 36), mute, mute
0100: CVBS4 (pin 38), mute, mute
0101: CVBS5 (pin 41), mute (Cr1; pin 45, when CbCr PIN1 = 1), mute
0110: CVBS6 (pin 61), mute (Cr2; pin 65, when CbCr PIN2 = 1), mute
0111: Y1 (pin 49), Cb1 (pin 47), Cr1; pin 45 (mute, when CbCr PIN1 = 1)
1000: Y2 (pin 69), Cb2 (pin 67), Cr2; pin 65 (mute, when CbCr PIN2 = 1)
1001: Y3 (pin 55), Cb3 (pin 53), Cr3; pin 51 (mute, when CbCr PIN3 = 1)
1010: Y4 (pin 75), Cb4 (pin 73), Cr4; pin 71 (mute, when CbCr PIN4 = 1)
1011: Cr3 (as CVBS) (pin 51), mute, mute
1100: Cr4 (as CVBS) (pin 71), mute, mute
1101 to 1111: Not available
Refer also to Function Descriptions.
Mute
(0000)
FILPASS1(2)
Switches the bandwidth limit filter 1 (2).
0: OFF (filters active)
1: ON (bypass)
OFF
(0)
YC MIX
Mixes Y with C for MONITOR OUT (pin 2).
0: OFF (for CVBS)
1: MIX (Y+C)
OFF
(0)
MON OUT
Selects the output from MONITOR OUT (pin 2).
When YC MIX = 1, a mixed signal is output.
0000: Mute
0001: SY1 (pin 57) (+SC1 (pin 59))
0010: SY2 (pin 77) (+SC2 (pin 79))
0011: CVBS3 (pin 36)
0100: CVBS4 (pin 38)
0101: CVBS5 (pin 41) (+Cr1 (pin 45), when CbCr PIN1 = 1)
0110: CVBS6 (pin 61) (+Cr2 (pin 65), when CbCr PIN2 = 1)
0111: Y1 (pin 49) (+Cb1 (pin 47))
1000: Y2 (pin 69) (+Cb2 (pin 67))
1001: Y3 (pin 55) (+Cb3 (pin 53))
1010: Y4 (pin 75) (+Cb4 (pin 73))
1011: Cr3 (CVBS) (pin 51))
1100: Cr4 (CVBS) (pin 71))
1101 to 1111: Not available
Refer also to Function Descriptions.
Mute
(0000)
f0 SW1(2)
Switches the f0 of the bandwidth limit filter for YCbCr(RGB)
0: LOW
1: HIGH
Note: This function is not valid for the filter for CVBS. For the CVBS filter, this data is
fixed to 0: LOW.
LOW
(0)
BANDWIDTH1(2)
Switches the f0 of the bandwidth limit filter for YCbCr(RGB) and CVBS
0000000: MIN (low)
1111111: MAX (high)
Note: While HD, VD or FB-out is output, according as the f0 is set to lower, the
crosstalk from HD, VD, FB or SYNC-in to video-outs becomes bigger.
MIN
(0000000)