Texas Instruments TMS320F2802 User Manual

Page 73

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TMS320F2809, TMS320F2808, TMS320F2806

TMS320F2802, TMS320F2801, TMS320C2802

TMS320C2801, TMS320F28016, TMS320F28015

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SPRS230N – OCTOBER 2003 – REVISED MAY 2012

Enhanced features:

Auto baud-detect hardware logic

16-level transmit/receive FIFO

The SCI port operation is configured and controlled by the registers listed in

Table 4-8

and

Table 4-9

.

Table 4-8. SCI-A Registers

(1)

NAME

ADDRESS

SIZE (x16)

DESCRIPTION

SCICCRA

0x7050

1

SCI-A Communications Control Register

SCICTL1A

0x7051

1

SCI-A Control Register 1

SCIHBAUDA

0x7052

1

SCI-A Baud Register, High Bits

SCILBAUDA

0x7053

1

SCI-A Baud Register, Low Bits

SCICTL2A

0x7054

1

SCI-A Control Register 2

SCIRXSTA

0x7055

1

SCI-A Receive Status Register

SCIRXEMUA

0x7056

1

SCI-A Receive Emulation Data Buffer Register

SCIRXBUFA

0x7057

1

SCI-A Receive Data Buffer Register

SCITXBUFA

0x7059

1

SCI-A Transmit Data Buffer Register

SCIFFTXA

(2)

0x705A

1

SCI-A FIFO Transmit Register

SCIFFRXA

(2)

0x705B

1

SCI-A FIFO Receive Register

SCIFFCTA

(2)

0x705C

1

SCI-A FIFO Control Register

SCIPRIA

0x705F

1

SCI-A Priority Control Register

(1)

Registers in this table are mapped to Peripheral Frame 2 space. This space only allows 16-bit accesses. 32-bit accesses produce
undefined results.

(2)

These registers are new registers for the FIFO mode.

Table 4-9. SCI-B Registers

(1) (2)

NAME

ADDRESS

SIZE (x16)

DESCRIPTION

SCICCRB

0x7750

1

SCI-B Communications Control Register

SCICTL1B

0x7751

1

SCI-B Control Register 1

SCIHBAUDB

0x7752

1

SCI-B Baud Register, High Bits

SCILBAUDB

0x7753

1

SCI-B Baud Register, Low Bits

SCICTL2B

0x7754

1

SCI-B Control Register 2

SCIRXSTB

0x7755

1

SCI-B Receive Status Register

SCIRXEMUB

0x7756

1

SCI-B Receive Emulation Data Buffer Register

SCIRXBUFB

0x7757

1

SCI-B Receive Data Buffer Register

SCITXBUFB

0x7759

1

SCI-B Transmit Data Buffer Register

SCIFFTXB

(2)

0x775A

1

SCI-B FIFO Transmit Register

SCIFFRXB

(2)

0x775B

1

SCI-B FIFO Receive Register

SCIFFCTB

(2)

0x775C

1

SCI-B FIFO Control Register

SCIPRIB

0x775F

1

SCI-B Priority Control Register

(1)

Registers in this table are mapped to peripheral bus 16 space. This space only allows 16-bit accesses. 32-bit accesses produce
undefined results.

(2)

These registers are new registers for the FIFO mode.

Copyright © 2003–2012, Texas Instruments Incorporated

Peripherals

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