TB1328FG Toshiba, TB1328FG Datasheet - Page 17

• Manufacturer Part Number: TB1328FG
• Manufacturer: Toshiba

Specifications of TB1328FG

• Function: Programmable audio/video switch and frequency detection
• Features: CVBS, S-Video or YcbrCr/RGB or D-connector, auto sync processor, pre-filter, dummy HD/VD output
• Operating Voltage: 9V,5V
• Package: QFP64 (lead-free)

POR
H FM2
V FM2
H IN
V IN
V-SYNC-W
HD-POL
VD-POL
H FORMAT
V FORMAT
SIG DET
HV-OUT FORMAT
Read Mode
Register Name
Power On Reset
Horizontal format detection 2
Vertical format detection 2
Input detection to horizontal syncs
Input detection to vertical syncs
V-SYNC width detection
Polarity detection to HD-IN
Polarity detection to VD-IN
Horizontal format detection
Vertical format detection
No-input detection.
Format detection result. H and V dummy output frequencies depend on this result.
The signal to the no-input detection circuit is selected by SIG SW. Refer to relevant functions, H COUNT
MAX, H COUNT MIN, SIG DET N, SIG RESET N, SIG RESET, SIG DET IMPE and SIG DET LVL.
Detects the width from the HD-IN pin to determine whether it is negative or not.
When the High level of the input is wider than approx. 13.5 us, HD-POL shows 1.
Detects the width from the VD-IN pin to determine whether it is negative or not.
When the High level of the input is wider than approx. 4.5 ms, VD-POL shows 1.
After power on, 1 is returned at first read. 0 is returned at second and subsequent reads.
Detects whether an input is in one of the defined formats or not. This is based on H FORMAT data.
Detects whether an input is in one of the defined formats or not. This is based on V FORMAT data.
Detects V-SYNC width for detecting 1250i format.
Under A-SYNC=1(ON), V-SYNC-W shows 1 when VD width from VD-IN pin is narrower than approx. 69
us, or when V-SYNC width from SYNC-IN pin is narrower than approx. 54 us.
Detects the horizontal format (horizontal frequency).
Detects the vertical format (horizontal frequency) according to V FREQ DET data.
0: Normal
0: Known
0: Known
0: No-input
0: No-input
0: Wide
0: Positive
0: Positive
0000: 15.625/15.75 kHz 0001: 28.125 kHz
0100: 37.5/37.9 kHz
1000: 75 kHz
000: 50 Hz
100: 25 Hz
0: No-input
00000: 15.625 kHz, 50 Hz (625i)
00010: 31.25 kHz, 50 Hz (625p)
00100: 28.125 kHz, 50 Hz (1125/50i)
00110: 37.5 kHz, 50 Hz (750/50p)
01000: 31.25 kHz, 50 Hz (1250i)
01010: 64 kHz, 60 Hz (1125/60p, SXGA @60 Hz) 01011: 75 kHz, 60 Hz (UXGA @60 Hz)
01100: 56.25 kHz, 50 Hz (1125/50p)
01101 ~ 01111: Not available
10000: 15.734 kHz, 30 Hz (525/30p)
10010: 28.125 kHz, 25 Hz (1125/25p)
10100: 27 kHz, 48 Hz (1125/24sf)
10101 ~ 11111: Not available
0101: 45/48 kHz
1001 ~ 1111: Undefined
001: 60 Hz
101: 24 Hz
17
1: Register preset
1: Unknown
1: Unknown
1: Signal detected
1: Signal detected
1: Narrow
1: Negative
1: Negative
1: A signal detected
Function
0010: 31.25/31.5 kHz
0110: 56.25 kHz
010: 48 Hz
110 ~ 111: Undefined
00001: 15.75 kHz, 60 Hz (525i)
00011: 31.5 kHz, 60 Hz (525p, VGA @60 Hz)
00101: 33.75 kHz, 60 Hz (1125/60i)
00111: 45 kHz, 60 Hz (750/60p, XGA @60 Hz)
01001: 37.9 kHz, 60 Hz (SVGA @60 Hz)
10001: 27 kHz, 24 Hz (1125/24p)
10011: 33.75 kHz, 30 Hz (1125/30p)
0011: 33.75 kHz
0111: 64/67.5 kHz
011: 30 Hz
TB1328FG
2006-11-13