31 ELECTRICAL CHARACTERISTICS
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
31-13
LCD parallel mode (USIL)
T8CLK
USIL_CS (lcdp_cs)
USIL_DI (lcdp_a0)
USIL_CK (lcdp_rd)
LCD_D[7:0] (lcdp_rdata)
USIL_DO (lcdp_wr)
LCD_D[7:0] (lcdp_wdata)
t
lcdpcs
t
lcdpa
t
lcdpa
t
lcdpcs
t
PCLK
/DF
t
lcdprd
t
lcdpwd
t
lcdpwd
valid
t
lcdprd
t
lcdpwr
t
lcdpwr
t
lcdprd_su
t
lcdprd_hd
Unless otherwise specified: LV
DD
= 1.65 to 1.95V, HV
DD
= 2.7 to 3.6V, V
SS
= 0V, Ta = -40 to 85°C, output load = 50pF
Item
Symbol
Min.
Typ.
Max.
Unit
lcdp_cs output delay time
t
lcdpcs
–
–
19
ns
lcdp_a0 output delay time
t
lcdpa
–
–
19
ns
lcdp_rd output delay time
t
lcdprd
–
–
19
ns
lcdp_rdata setup time
t
lcdprd_su
17.5
–
–
ns
lcdp_rdata hold time
t
lcdprd_hd
0
–
–
ns
lcdp_wr output delay time
t
lcdpwr
–
–
19
ns
lcdp_wdata output delay time
t
lcdpwd
–
–
19
ns
LCDC AC Characteristics
31.8.5
4-bit single monochrome panel timing
FPFRAME
FPLINE
FPDRDY (MOD)
FPDAT[7:4]
VDP
VNDP
FPLINE
FPDRDY (MOD)
FPSHIFT
FPDAT7
FPDAT6
FPDAT5
FPDAT4
Line 1
1-1
1-5
1-317
1-2
1-6
1-318
1-3
1-7
1-319
1-4
1-8
1-320
Line 2
Line 3
Line 1
Line 2
Line 4
Line 239 Line 240
HDP
HNDP
*
Diagram drawn with 2 FPLINE vertical blank period
Example timing for a 320
×
240 panel
For this timing diagram FPSMASK is set to 1
HDP (Horizontal Display Period)
= (HDPCNT[6:0] + 1)
×
8 (Ts)
HNDP (Horizontal Non-Display Period) = (HTCNT[6:0] - HDPCNT[6:0])
×
8 (Ts)
VDP (Vertical Display Period)
= VDPCNT[9:0] + 1 (lines)
VNDP (Vertical Non-Display Period)
= VTCNT[9:0] - VDPCNT[9:0] (lines)