HCS08 datasheet(206/316 Pages) NXP

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Serial Communications Interface (S08SCIV4)

MC9S08SG8 MCU Series Data Sheet, Rev. 8

206

Freescale Semiconductor

14.2.3

SCI Control Register 2 (SCIC2)

This register can be read or written at any time.

WAKE

Receiver Wakeup Method Select — Refer to Section 14.3.3.2, “Receiver Wakeup Operation” for more

information.

0 Idle-line wakeup.

1 Address-mark wakeup.

ILT

Idle Line Type Select — Setting this bit to 1 ensures that the stop bit and logic 1 bits at the end of a character

do not count toward the 10 or 11 bit times of logic high level needed by the idle line detection logic. Refer to

Section 14.3.3.2.1, “Idle-Line Wakeup” for more information.

0 Idle character bit count starts after start bit.

1 Idle character bit count starts after stop bit.

Parity Enable — Enables hardware parity generation and checking. When parity is enabled, the most significant

bit (MSB) of the data character (eighth or ninth data bit) is treated as the parity bit.

0 No hardware parity generation or checking.

1 Parity enabled.

Parity Type — Provided parity is enabled (PE = 1), this bit selects even or odd parity. Odd parity means the total

number of 1s in the data character, including the parity bit, is odd. Even parity means the total number of 1s in

the data character, including the parity bit, is even.

0 Even parity.

1 Odd parity.

321

TIE

TCIE

RIE

ILIE

RWU

SBK

Reset

000

Figure 14-7. SCI Control Register 2 (SCIC2)

Table 14-4. SCIC2 Field Descriptions

Field

Description

TIE

Transmit Interrupt Enable (for TDRE)

0 Hardware interrupts from TDRE disabled (use polling).

1 Hardware interrupt requested when TDRE flag is 1.

TCIE

Transmission Complete Interrupt Enable (for TC)

0 Hardware interrupts from TC disabled (use polling).

1 Hardware interrupt requested when TC flag is 1.

RIE

Receiver Interrupt Enable (for RDRF)

0 Hardware interrupts from RDRF disabled (use polling).

1 Hardware interrupt requested when RDRF flag is 1.

ILIE

Idle Line Interrupt Enable (for IDLE)

0 Hardware interrupts from IDLE disabled (use polling).

1 Hardware interrupt requested when IDLE flag is 1.

Table 14-3. SCIC1 Field Descriptions (continued)

Field

Description

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