Altera LCD Multimedia HSMC Bedienungsanleitung PDF herunterladen (Seite 30)

Altera Corporation 2–22

August 2008 LCD Multimedia HSMC

Board Components and Interfaces

Tables 2–15 shows the pinout of RS232 Interface with HSMC connector.

Figure 2–12 shows the RS232 interface schematic.

Figure 2–12. RS232 Interface Schematic

PS/2 Interface

The LCD Multimedia HSMC includes a standard PS/2 interface and a

connector (J9) for a PS/2 keyboard or mouse. The PS/2 interface is a

standard interface that is described extensively elsewhere.

Implementation of a PS/2 interface can be done either in hardware on the

MAXII or FPGA or software in a Nios processor running on the FPGA.

Table 2–15. RS232 Interface Pinout with HSMC Connector

HSMC Connector MAX II RS232 Interface

Signal Name

No.

HSMC

Connector

Side Pin

Device

Side Pin

Signal Name Pin No. Description

HC_UART_RXD

115 G18 K4

UART_RXD

U5-12

(

)

UART Receiver

HC_UART_TXD

119 G16 J4

UART_TXD

U5-11

(

)

UART Transmitter

Notes:

(1) U5.12 connects to pin 3 on the RS-232 connector (J6) via U5.13.

(2) U5.11 connects to pin 2 on the RS-232 connector (J6) via U5.14.

UART_TXD

UART_RXD

UART_TXD

VCC33

RXD LEDRRXD LEDR

RS232

C30

ADM3202

R1IN

R2IN

T1IN

T2IN

C+

C1-

C2+

C2-

V+

V-

R1OUT

R2OUT

T1OUT

T2OUT

VCC

GND

C28 1UC28 1U

R76 330R76 330

R75 330R75 330

C27 1UC27 1U

TXD LEDGTXD LEDG

C29

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 50 51

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