2 sci control register 2, Sci control register 2, Ts long. see – Freescale Semiconductor MC68HC908MR32 User Manual

Page 171: Table 13-4, When, Parity. see, Reset clears the pty bit

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I/O Registers

MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1

Freescale Semiconductor

171

13.7.2 SCI Control Register 2

SCI control register 2 (SCC2):

•

Enables these CPU interrupt requests:
–

Enables the SCTE bit to generate transmitter CPU interrupt requests

–

Enables the TC bit to generate transmitter CPU interrupt requests

–

Enables the SCRF bit to generate receiver CPU interrupt requests

–

Enables the IDLE bit to generate receiver CPU interrupt requests

•

Enables the transmitter

•

Enables the receiver

•

Enables SCI wakeup

•

Transmits SCI break characters

SCTIE — SCI Transmit Interrupt Enable Bit

This read/write bit enables the SCTE bit to generate SCI transmitter CPU interrupt requests. Setting
the SCTIE bit in SCC3 enables SCTE CPU interrupt requests. Reset clears the SCTIE bit.

1 = SCTE enabled to generate CPU interrupt
0 = SCTE not enabled to generate CPU interrupt

TCIE — Transmission Complete Interrupt Enable Bit

This read/write bit enables the TC bit to generate SCI transmitter CPU interrupt requests. Reset clears
the TCIE bit.

1 = TC enabled to generate CPU interrupt requests
0 = TC not enabled to generate CPU interrupt requests

Table 13-4. Character Format Selection

Control Bits

Character Format

M

PEN:PTY

Start

Bits

Data

Bits

Parity

Stop

Bits

Character

Length

0

0X

1

8

None

1

10 bits

1

0X

1

9

None

1

11 bits

0

10

1

7

Even

1

10 bits

0

11

1

7

Odd

1

10 bits

1

10

1

8

Even

1

11 bits

1

11

1

8

Odd

1

11 bits

Address: $0039

Bit 7

6

5

4

3

2

1

Bit 0

Read:

SCTIE

TCIE

SCRIE

ILIE

TE

RE

RWU

SBK

Write:

Reset:

0

0

0

0

0

0

0

0

Figure 13-9. SCI Control Register 2 (SCC2)

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