PC87366 datasheet(219/240 Pages) NSC

219 / 240 page

13.0 Legacy Functional Blocks (Continued)

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13.4.4

SP1 and SP2 Bitmap Summary for UART Functionality

Table 66. Bank 0 Bitmap

Bits

Offset

Mnemonic

76543210

00h

RXD

Receiver Data Bits

TXD

Transmitter Data Bits

01h

IERNote 1.

Note 1. Non-Extended Mode

Reserved

MS_IE

LS_IE

TXLDL_IE RXHDL_IE

IERNote 2.

Note 2. Extended Mode

Reserved

TXEMP_IE

Reserved

Note 3./

DMA_IE

Note 4.

Note 3. In SP1 only

Note 4. In SP2 only

MS_IE

LS_IE

TXLDL_IE RXHDL_IE

02h

EIRNote 1.

FEN1

FEN0

Reserved

RXFT

IPR1

IPR0

IPF

EIRNote 2.

Reserved

TXEMP_EV

Reserved

Note 3./

DMA_EV

Note 4.

MS_EV

LS_EV or

TXHLT_EV

TXLDL_EV RXHDL_EV

FCR

RXFTH1

RXFTH0

TXFTH1

TXFTH0

Reserved

TXSR

RXSR

FIFO_EN

03h

LCRNote 5.

Note 5. When bit 7 of this register is set to 1, bits 6-0 of BSR select the bank, as shown in Table 62.

BKSE

SBRK

STKP

EPS

PEN

STB

WLS1

WLS0

BSRNote 5.

BKSE

Bank Select

04h

MCRNote 1.

Reserved

LOOP

ISEN or

DCDLP

RILP

RTS

DTR

MCRNote 2.

Reserved

TX_DFR

Reserved

RTS

DTR

05h

LSR

ER_INF

TXEMP

TXRDY

BRK

RXDA

06h

MSR

DCD

DSR

CTS

DDCD

TERI

DDSR

DCTS

07h

SPRNote 1.

Scratch Data

ASCR

Note 2.

Reserved TXURNote 4.

RXACT

Note 4.

RXWDG

Note 4.

Reserved

S_OET

Note 4.

Reserved RXF_TOUT

PC87366 数据表(PDF) 219 Page - National Semiconductor (TI)

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PC87366 数据表(PDF) 219 Page - National Semiconductor (TI)

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