LCD_AC_ENB_CS
LCD_PCLK
2
3
1
W_SU
(0 to 31)
W_STROBE
(1 to 63)
W_HOLD
(1 to 15)
CS_DELAY
R_SU
(0 to 31)
R_STROBE
(1 to 63)
R_HOLD
(1 to 15)
CS_DELAY
LCD_MCLK
4
Write Data
5
14
16
17
15
Data[7:0]
Not Used
8
9
10
1
1
12
13
12
13
RS
R/W
E0
E1
LCD_D[15:0]
LCD_VSYNC
LCD_HSYNC
Read Status
OMAP-L137
SPRS563G – SEPTEMBER 2008 – REVISED JUNE 2014
www.ti.com
6.21.1 LCD Interface Display Driver (LIDD Mode)
Table 6-84. LCD LIDD Mode Timing Requirements
No.
PARAMETER
MIN
MAX
UNIT
16
t
su(LCD_D)
Setup time, LCD_D[15:0] valid before LCD_MCLK high
7
ns
17
t
h(LCD_D)
Hold time, LCD_D[15:0] valid after LCD_MCLK high
0.5
ns
Table 6-85. LCD LIDD Mode Timing Characteristics
No.
PARAMETER
MIN
MAX
UNIT
4
t
d(LCD_D_V)
Delay time, LCD_MCLK high to LCD_D[15:0] valid (write)
-0.5
10
ns
5
t
d(LCD_D_I)
Delay time, LCD_MCLK high to LCD_D[15:0] invalid (write)
-0.5
10
ns
6
t
d(LCD_E_A
)
Delay time, LCD_MCLK high to LCD_AC_ENB_CS low
-0.5
7
ns
7
t
d(LCD_E_I)
Delay time, LCD_MCLK high to LCD_AC_ENB_CS high
-0.5
7
ns
8
t
d(LCD_A_A)
Delay time, LCD_MCLK high to LCD_VSYNC low
-0.5
8
ns
9
t
d(LCD_A_I)
Delay time, LCD_MCLK high to LCD_VSYNC high
-0.5
8
ns
10
t
d(LCD_W_A)
Delay time, LCD_MCLK high to LCD_HSYNC low
-0.5
8
ns
11
t
d(LCD_W_I)
Delay time, LCD_MCLK high to LCD_HSYNC high
-0.5
8
ns
12
t
d(LCD_STRB_A)
Delay time, LCD_MCLK high to LCD_PCLK active
-0.5
12
ns
13
t
d(LCD_STRB_I)
Delay time, LCD_MCLK high to LCD_PCLK inactive
-0.5
12
ns
14
t
d(LCD_D_Z)
Delay time, LCD_MCLK high to LCD_D[15:0] in 3-state
-0.5
12
ns
15
t
d(Z_LCD_D)
Delay time, LCD_MCLK high to LCD_D[15:0] (valid from 3-state)
-0.5
12
ns
Figure 6-47. Character Display HD44780 Write
158
Peripheral Information and Electrical Specifications
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