CS9211 datasheet(5/62 Pages) NSC

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Signal Definitions

This section defines the signals and external interface of

the CS9211. Figure 2-1 shows the pins organized by their

functional groupings (internal test and electrical pins are

not shown).

2.1

PIN ASSIGNMENTS

The tables in this section use several common abbrevia-

tions. Table 2-1 lists the mnemonics and their meanings.

Figure 2-2 shows the pin assignment for the CS9211 with

Tables 2-2 and 2-3 listing the pin assignments sorted by pin

number and alphabetically by signal name, respectively.

In Section 2.2 "Signal Descriptions" on page 9 a descrip-

tion of each signal within its associated functional group is

provided.

Figure 2-1. Signal Groups

Table 2-1. Pin Type Definitions

Mnemonic

Definition

Standard input pin

I/O

Bidirectional pin

Totem-pole output

Open-drain output structure that allows

multiple devices to share the pin in a

wired-OR configuration

Pull-up resistor

Pull-down resistor

smt

Schmitt Trigger

t/s

TRI-STATE signal

VDD (PWR)

Power pin

VSS (GND)

Ground pin

The "#" symbol at the end of a signal

name indicates that the active, or

asserted state occurs when the signal

is at a low voltage level. When "#" is

not present after the signal name, the

signal is asserted when at the a high

voltage level.

RED[5:0]

GREEN[5:0]

BLUE[5:0]

ENA_DISP

ENA_VDDIN

ENA_LCDIN

DOTCLK

FP_HSYNC

FP_VSYNC

SCLK

SDIN

SCS

SDO

LP/HSYNC

SHFCLK

FLM/VSYNC

UD[11:0]

LD[11:0]

DISPOFF#

FP_VDDEN

FP_VCONEN

MA[10:0]

MD[15:0]

DQMH

DQML

OE#/BA

WE#

CASH#

CAS#/CASL#

RAS#

MCLK

RESET#

Memory

Interface

Reset,

Crystal,

Flat Panel

Interface

Pixel Port

Interface

Geode™

CS9211

Serial

Interface

CKE

CS#

Graphics

Companion

LDE

XTALIN

XTALOUT

GPIO0-GPIO7

and

GPIOs

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