H8S2245 datasheet(720/818 Pages) RENESAS

720 / 818 page

Appendix B Register Field

Rev.3.00 Mar. 26, 2007 Page 678 of 772

REJ09B0355-0300

SCR0—Serial Control Register 0

H'FF7A

Smart Card Interface 0

TIE

R/W

RIE

R/W

MPIE

R/W

CKE0

R/W

TEIE

R/W

CKE1

R/W

SMCR

SMIF

SMR

A,GM CKE1 CKE0

See SCI specification

SCK pin function

Clock Enable

SCR setting

Transmit end interrupt (TEI) request disabled

Transmit end interrupt (TEI) request enabled

Transmit End Interrupt Enable

Multiprocessor interrupts disabled

[Clearing conditions]

• When the MPIE bit is cleared to 0

• When MPB = 1 data is received

Multiprocessor Interrupt Enable

Reception disabled

Reception enabled

Receive Enable

Transmission disabled

Transmission enabled

Transmit Enable

Receive data full interrupt (RXI) request and

receive error interrupt (ERI) request disabled

Receive Interrupt Enable

Transmit data empty interrupt (TXI) requests disabled

Transmit data empty interrupt (TXI) requests enabled

Transmit Interrupt Enable

Bit

Initial value

Read/Write

Multiprocessor interrupts enabled

Receive interrupt (RXI) requests, receive error interrupt (ERI)

requests, and setting of the RDRF, FER, and ORER flags in

SSR are disabled until data with the multiprocessor bit set to 1

is received

Receive data full interrupt (RXI) request and

receive error interrupt (ERI) request enabled

Operates as port input

Clock output as SCK

output pin

Fixed-low output as

SCK output pin

Clock output as SCK

output pin

Fixed-high output as

SCK output pin

Clock output as SCK

output pin

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