ade3800 STMicroelectronics, ade3800 Datasheet - Page 38

• Manufacturer Part Number: ade3800
• Description: Analog Lcd Display Engine For Xga And Sxga Resolutions With Embedded Lvds And Rsds Transmitters
• Manufacturer: STMicroelectronics

Note:
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SMEAS_ACT_CTRL
SMEAS_ACT_H_SMPTM_L
SMEAS_ACT_H_SMPTM_U
SMEAS_ACT_V_SMPTM_L
SMEAS_ACT_V_SMPTM_U
SMEAS_ACT_H_MINEDGE
SMEAS_ACT_V_MINEDGE
SMEAS_H_TMOT_L
SMEAS_H_TMOT_U
SMEAS_V_TMOT_L
SMEAS_V_TMOT_U
SMEAS_CLEAR
Register Description by Block
Register Name
Timeout and Tolerance use Horizontal and Vertical measurements. These can either be the
Horizontal or Vertical syncs from an Analog input or the local generated Horizontal Enable and/or
Vertical Enable.
0100
0101
0102
0103
0104
0105
0106
0107
0108
0109
010A
0110
Addr
Table 17: SMEAS Register Definitions (Sheet 1 of 6)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Mode
[3]
[2]
[1]
[0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[1]
[0]
Bits
00
00
00
00
00
00
00
00
00
00
00
00
Rst
Free-run enable
Freeze results during free run mode. No meaning in one shot
mode.
0*: Do not freeze. New result will be available on the next and
subsequent toggle of the polling bit.
1: Freeze the current results. The polling bit will still toggle
and the block continues to free run; however, results will not
update.
Activity detection start.
In one-shot mode setting this bit triggers the start of a
measurement. This bit is reset to zero when the
measurement is complete. No meaning in free run mode.
Activity detection mode.
0*: free-run mode
1: one-shot mode
Sample period value for clock or HSync activity. Xclks [7:0]
Sample period value for clock or HSync activity. Xclks [15:8]
Sample period value for vsync activity. Xclks / 256 [7:0]
Sample period value for vsync activity. Xclks / 256 [15:8]
Minimum edge count value for clk or HSync activity.
Minimum edge count value for vsync activity.
Timeout counter value for clk or horizontal measurement.
xclks [7:0]
Timeout counter value for clk or horizontal measurement.
xclks [15:8]
Timeout counter value for vertical measurement. xclks / 256
[7:0]
Timeout counter value for vertical measurement. xclks / 256
[15:8]
clears SMEAS_STATUS_RANGE[7] sticky bit only.
Must be reset by software.
clears timeouts, measurements.
Must be reset by software.
Description
ADE3800