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Epson Research and Development
Page 91
Vancouver Design Center
Hardware Functional Specification S1D13505
Issue Date: 01/02/02 X23A-A-001-14
Figure 7-39: 8-Bit Dual Color Passive LCD Panel A.C. Timing
1. Ts = pixel clock period = memory clock, [memory clock]/2, [memory clock]/3, [memory clock]/4 (see REG[19h] bits [1:0])
2. t1
min
= t3
min
- 14Ts
3. t3
min
= [((REG[04h] bits [6:0])+1)*8 + ((REG[05h] bits [4:0]) + 1)*8] + 33 Ts
4. t5
min
= [(((REG[04h] bits [6:0])+1)*8 + ((REG[05h] bits [4:0]) + 1)*8)-1] Ts
5. t6
min
= [((REG[05h] bits [4:0]) + 1)*8 - 20] Ts
6. t7
min
= [((REG[05h] bits [4:0]) + 1)*8 - 11] Ts
Table 7-30: 8-Bit Dual Color Passive LCD Panel A.C. Timing
Symbol Parameter Min Typ Max Units
t1
FPFRAME setup to FPLINE pulse trailing edge
note 2
t2
FPFRAME hold from FPLINE pulse trailing edge
14 Ts (note 1)
t3
FPLINE period
note 3
t4
FPLINE pulse width
9Ts
t5
MOD transition to FPLINE pulse trailing edge
1note 4Ts
t6
FPSHIFT falling edge to FPLINE pulse leading edge
note 5
t7
FPSHIFT falling edge to FPLINE pulse trailing edge
note 6
t8
FPLINE pulse trailing edge to FPSHIFT falling edge
t14 + t11 Ts
t9
FPSHIFT period
1Ts
t10
FPSHIFT pulse width low
0.45 Ts
t11
FPSHIFT pulse width high
0.45 Ts
t12
UD[3:0], LD[3:0] setup to FPSHIFT falling edge
0.45 Ts
t13
UD[3:0], LD[3:0] hold to FPSHIFT falling edge
0.45 Ts
t14
FPLINE pulse trailing edge to FPSHIFT rising edge
13 Ts
t12 t13
t14
t8 t9
t10t11
12
Data Timing
FPFRAME
t1 t2
t3
t5
t4
FPLINE
MOD
Sync Timing
FPLINE
FPSHIFT
t7
t6
UD[3:0]
LD[3:0]