GL640USB Ver la hoja de datos (PDF) - Genesys Logic

Número de pieza

componentes Descripción

fabricante

GL640USB

IEEE-1284 to USB Bridge

Genesys Logic 

GL640USB, GL640USB-A

Purpose

Registers

(64 bytes)

5Fh

Figure 7-2 Data Memory Space

7.2 MCU FUNCTION REGISTERS

Address

00h

01h

02h

03h

04h

06h

07h

0Ah

80h

81h

82h

83h

84h

86h

87h

8Ah

Name

Function

INDR

Addressing this location will use the content of INDAR to

address data memory (not a physical address)

TIMER

Timer register

PCL

Program Counter’s low byte

STATUS

Status register

INDAR

Indirect address register

PORT1

Port 1 data register

PORT2

Port 2 data register

PCHBUF Write buffer of Program Counter’s bit 10-8

INDR

Addressing this location will use the content of INDAR to

address data memory (not a physical address)

PSCON

Prescaler control register

PCL

Program Counter’s low byte

STATUS

Status register

INDAR

Indirect address register

PORT1CON Port 1 direction control register

PORT2CON Port 2 direction control register

PCHBUF

Write buffer of Program Counter’s bit 10-8

Table 7-1 MCU Function Register Summary

INDR (Address 00h/80h)

INDR is not a physical register. Addressing INDR register will cause indirect addressing. Any

Revision 1.1

-11-

Jun. 7, 1999

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