參數(shù)資料
型號(hào): TFP513
廠商: Texas Instruments, Inc.
英文描述: TI PANELBUS DIGITAL TRANSMITTER
中文描述: 德州儀器PANELBUS數(shù)字發(fā)射機(jī)
文件頁(yè)數(shù): 12/29頁(yè)
文件大?。?/td> 424K
代理商: TFP513
SLLS611 AUGUST 2004
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
universal graphics controller interface modes
Table 1 is a tabular representation of the different modes for the universal graphics controller interface. The
12-bit mode is selected when BSEL = 0 and the 24-bit mode when BSEL = 1. The 12-bit mode uses dual-edge
clocking and the 24-bit mode uses single-edge clocking. The EDGE input controls the latching edge in 24-bit
mode or the primary latching edge in 12-bit mode. When EDGE = 1, the data input is latched on the rising edge
of the input clock; and when EDGE = 0, the data input is latched on the falling edge of the input clock. A fully
differential input clock is available only in the low-swing mode. Single-ended clocking is not recommended in
the low-swing mode as this decreases common-mode noise rejection.
Note that BSEL, DSEL, and EDGE are determined by register CTL_1_MODE when I
2
C is enabled (ISEL = 1)
and by input pins when I
2
C is disabled (ISEL = 0).
Table 1. Universal Graphics Controller Interface Options
VREF
BSEL
EDGE
DSEL
BUS WIDTH
LATCH MODE
CLOCK EDGE
CLOCK MODE
0.55 V 0.9 V
0
0
0
12-bit
Dual-edge
Falling
Differential (see Notes 9 and 10)
0.55 V 0.9 V
0
0
1
12-bit
Dual-edge
Falling
Single-ended
0.55 V – 0.9 V
0
1
0
12-bit
Dual-edge
Rising
Differential (see Notes 9 and 10)
0.55 V 0.9 V
0
1
1
12-bit
Dual-edge
Rising
Single-ended
0.55 V – 0.9 V
1
0
0
24-bit
Single-edge
Falling
Single-ended
0.55 V – 0.9 V
1
0
1
24-bit
Single-edge
Falling
Differential (see Notes 9 and 11)
0.55 V – 0.9 V
1
1
0
24-bit
Single-edge
Rising
Single-ended
0.55 V – 0.9 V
1
1
1
24-bit
Single-edge
Rising
Differential (see Notes 9 and 11)
DVDD
DVDD
DVDD
DVDD
NOTES:
0
0
X
12-bit
Dual-edge
Falling
Single-ended (see Note 12)
0
1
X
12-bit
Dual-edge
Rising
Single-ended (see Note 12)
1
0
X
24-bit
Single-edge
Falling
Single-ended (see Note 12)
1
1
X
24-bit
Single-edge
Rising
Single-ended (see Note 12)
9. The differential clock input mode is only available in the low signal swing mode (that is, VREF
0.9 V).
10. The TFP513 does not support a 12-bit, dual-clock, single-edge input clocking mode.
11. The TFP513 does not support a 24-bit, single-clock, dual-edge input clocking mode.
12. In the high-swing mode (VREF = DVDD), DSEL is a don’t care; therefore, the device is always in the single-ended latch mode.
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