Rainbow-electronics AT89C5122 Manual do Utilizador descarregar pdf (Página 38)

AT8xC5122/23

4202E–SCR–06/06

Note: 1. Only for AT8xC5122

IPH0 B7h

Interrupt Priority Control

High 0

PSH PT1HPX1HPT0HPX0H

IPL1 B2h

Interrupt Priority Control

Low 1

PUSBL PSCIL PSPIL

(1)

PKBL

(1)

IPH1 B3h

Interrupt Priority Control

High 1

PUSBH PSCIH PSPIH

(1)

PKBH

(1)

ISEL A1h Interrupt Enable Register CPLEV PRESIT RXIT OELEV OEEN PRESEN RXEN

Table 17. Interrupt SFRs

MnemonicAddName 76543210

Table 18. SCIB SFRs

MnemonicAddName 76543210

SCGT0 B4h

Smart Card Transmit Guard

Time Register 0

GT7 - 0

SCGT1 B5h

Smart Card Transmit Guard

Time Register 1

GT8

SCWT0 B4h

Smart Card Character/ Block

Waiting Time Register 0

WT7 - 0

SCWT1 B5h

Smart Card Character/ Block

Waiting Time Register 1

WT15-8

SCWT2 B6h

Smart Card Character/ Block

Waiting Time Register 2

WT23-16

SCWT3 C1h

Smart Card Character/ Block

Waiting Time Register 3

WT31-24

SCICR B6h

Smart Card Interface Control

RESET CARDDET VCARD1-0 UART WTEN CREP CONV

SCCON ACh

Smart Card Interface

Contacts Register

CLK

CARDC8 CARDC4 CARDIO CARDCLK CARDRST CARDVCC

SCETU0 ACh Smart Card ETU Register 0 ETU7 - 0

SCETU1 ADh Smart Card ETU Register 1 COMP

ETU10-8

SCISR ADh

Smart Card UART Interface

Status Register (Read only)

SCTBE CARDIN

ICARDOVF VCARDOK SCWTO SCTC SCRC SCPE

SCIIR AEh

Smart Card UART Interrupt

Identification Register (Read

only)

SCTBI

ICARDERR VCARDERR

SCWTI SCTI SCRI SCPI

SCIER AEh

Smart Card UART Interrupt

Enable Register

ESCTBI

ICARDER EVCARDER ESCWTI ESCTI ESCRI ESCPI

SCSR ABh

Smart Card Selection

BGTEN CREPSEL ALTKPS1-0 SCCLK1 SCRS

SCIBUF AAh Smart Card Buffer Register

Can store a new byte to be transmitted on the I/O pin when SCTBE is set. Bit ordering on the I/O pin

depends on the convention

Provides the byte received from the I/O pin when SCRI is set. Bit ordering on the I/O pin depends on

the convention.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 212 213

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