AM4376 datasheet(211/261 Pages) TI

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rfbi_a0

rfbi_csx

rfbi_wr

rfbi_rd

rfbi_da[n:0]

rfbi_te_vsync[1:0]

rfbi_hsync[1:0]

WRITE

READ

WRITE

CsOnTime

CsOffTime

WEOffTime

WECycleTime

CsPulseWidth

ReCycleTime

AccessTime

CsOnTime

CsOffTime

ReOffTime

CsPulseWidth

CsOnTime

WEOffTime

CsOffTime

WECycleTime

SWPS038-059

WEOnTime

ReOnTime

WEOnTime

AM4376, AM4377, AM4378, AM4379

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SPRS851B – JUNE 2014 – REVISED APRIL 2015

In rfbi_csx, x is equal to 0 or 1.

rfbi_da[n:0], n up to 15

For more information, see the DSS chapter in the AM437x Sitara Processors Technical Reference Manual

(SPRUHL7).

Figure 5-97. DSS—RFBI Mode—MIPI DBI 2.0—LCD Panel—Command / Data Write to Read and Read to

Write Modes

5.12.9.1.2.2 DSS—Parallel Interface—RFBI Mode—Pico DLP

The Remote Frame Buffer Interface (RFBI) module can provide also the necessary control signals and data to

interface to the Pico DLP driver of the Pico DLP panel. Table 5-78 assumes testing over the recommended

operating conditions and electrical characteristic conditions below (see Figure 5-98).

Table 5-78. DSS Timing Conditions—RFBI Mode—Pico DLP

VALUE

TIMING CONDITION PARAMETER

UNIT

MIN

MAX

Output Condition

CLOAD

Output load capacitance

To use Pico DLP application, RFBI register must be configured as shown in Table 5-79:

Table 5-79. DSS Register Configuration—RFBI Mode—Pico DLP

DESCRIPTION

BIT

VALUES

Selection parallel mode

RFBI_CONFIGi and

[1:0]

0b11: 16-bit parallel output interface

ParallelMode

selected

Time Granularity (multiplies signal timing

RFBI_CONFIGi

[4]

0b0: x2 latency disable

latencies by 2).

andTimeGranularity

CS signal assertion time from Start Access

RFBI_ONOFF_TIMEi and

[3:0]

0b0000

Time

CSOnTime

CS signal de-assertion time from Start Access

RFBI_ONOFF_TIMEi and

[9:4]

0b000100: 4 cycles

Time

CSOffTime

WE signal assertion time from Start Access

RFBI_ONOFF_TIMEi and

[13:10]

0b0000

Time

WEOnTime

WE signal de-assertion time from Start Access

RFBI_ONOFF_TIMEi and

[19:14]

0b000010: 2 cycles

Time

WEOffTime

Specifications

211

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