F71869F datasheet(49/116 Pages) FINTEK

49 / 116 page

Fintek

Feature Integration Technology Inc.

2009

V1.1

F71869

7-0

BASE_ADDR_LO R/W

F8h

The LSB of UART 1 base address.

6.3.4 IRQ Channel Select Register

⎯ Index 70h

Bit

Name

R/W Default

Description

7-4

Reserved

Reserved.

3-0

SELUR1IRQ

R/W

Select the IRQ channel for UART 1.

6.3.5 RS485 Enable Register

⎯ Index F0h

Bit

Name

R/W Default

Description

7-6

Reserved

Reserved.

RS485_INV

Write “1” will invert the RTS# if RS485_EN is set.

RS485_EN

R/W

0: RS232 driver.

1: RS485 driver. Auto drive RTS# low when transmitting data.

3-0

Reserved

Reserved.

6.4

UART2 Registers (CR02)

6.4.1 UART 2 Device Enable Register

⎯ Index 30h

Bit

Name

R/W Default

Description

7-1

Reserved

UR2_EN

R/W

0: disable UART 2.

1: enable UART 2.

6.4.2 Base Address High Register

⎯ Index 60h

Bit

Name

R/W Default

Description

7-0

BASE_ADDR_HI R/W

02h

The MSB of UART 2 base address.

6.4.3 Base Address Low Register

⎯ Index 61h

Bit

Name

R/W Default

Description

7-0

BASE_ADDR_LO R/W

F8h

The LSB of UART 2 base address.

6.4.4 IRQ Channel Select Register

⎯ Index 70h

Bit

Name

R/W Default

Description

F71869F Datasheet(PDF) 49 Page - Feature Integration Technology Inc.

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