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Epson S1D13705 User Manual

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Page 62

Epson Research and Development

Vancouver Design Center

S1D13705

Hardware Functional Specification

X27A-A-001-10

Issue Date: 02/02/01

bit 7

Vertical Non-Display Status
This bit =1 during the Vertical Non-Display period.

bits 5-0

Vertical Non-Display Period
These bits specify the vertical non-display period. This register is programmed as follows:

Note

This register should be set only once, on power-up during initialization.

.

bits 5-0

MOD Rate Bits [5:0]
When the value of this register is 0, the MOD output signal toggles every FPFRAME. For
a non-zero value, the value in this register + 1 specifies the number of FPLINEs between
toggles of the MOD output signal. These bits are for passive LCD panels only.

REG[0Ah] Vertical Non-Display Period
Address = 1FFEAh

Read/Write

Vertical Non-

Display

Status

n/a

Vertical Non-

Display

Period Bit 5

Vertical Non-

Display

Period Bit 4

Vertical Non-

Display

Period Bit 3

Vertical Non-

Display

Period Bit 2

Vertical Non-

Display

Period Bit 1

Vertical Non-

Display

Period Bit 0

REG[0Bh] MOD Rate Register
Address = 1FFEBh

Read/Write

n/a

n/a

MOD Rate

Bit 5

MOD Rate

Bit 4

MOD Rate

Bit 3

MOD Rate

Bit 2

MOD Rate

Bit 1

MOD Rate

Bit 0

VerticalNonDisplayPeriod lines

(

)

REG[0Ah] bits [5:0]

=