參數(shù)資料
型號(hào)： HD66841
廠商： Hitachi,Ltd.
英文描述： LVIC-II (LCD Video Interface Controller)(LCD視頻控制器)
中文描述： LVIC - 2（液晶視頻接口控制器）（液晶顯示視頻控制器）
文件頁(yè)數(shù)： 46/62頁(yè)
文件大小： 185K
代理商： HD66841
HD66841
46
Table 16
Symbol Definitions
Symbol
Definition
Nchd
Number of horizontal displayed characters on the CRT display (number of horizontal
displayed dots on the CRT display
×
1/8)
Nchsp
Number of characters between the rising edge of the DISPTMG signal and that of the
HSYNC signal (number of dots between the rising edge of the DISPTMG signal and that
of the HSYNC signal
×
1/8) (= horizontal synchronization position)
Nchbp
Number of dots between the rising edge of the HSYNC signal and that of the DISPTMG
signal (just after the rising edge of the HSYNC signal) (= horizontal backporch)
Ncvbp
Number of lines between the active edge of the VSYNC signal and the rising edge of the
DISPTMG signal (just after the active edge of the VSYNC signal) (= vertical backporch)
Ncvsp
Number of lines between the rising edge of the DISPTMG signal and the active edge of
the VSYNC signal (= vertical synch position)
Ncvd
Number of vertical displayed lines on the CRT display
Nhd
Number of horizontal displayed characters on the LCD (number of horizontal displayed
dots on the LCD
×
1/8)
Npc
Number of characters during one CL3 signal period (number of dots during one CL3
signal period
×
1/8)
Npw
Number of characters while the CL3 signal is high (number of dots while the CL3 signal
is high
×
1/8)
Nht
Number of characters during a CN1 signal period (number of dots during a CL1 signal
period
×
1/8)
Nvd
Number of vertical displayed lines on the LCD
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