13 output port bit set (pscopsetn), 14 output port bit reset (pscopresetn), Output port bit set (pscopsetn) -22 – Freescale Semiconductor MCF5480 User Manual

Page 784: Output port bit reset (pscopresetn) -22, 13 output port bit set (pscopset n ), 14 output port bit reset (pscopreset n )

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MCF548x Reference Manual, Rev. 3

26-22

Freescale Semiconductor

26.3.3.13 Output Port Bit Set (PSCOPSETn)

Output ports are asserted by writing to this register.

26.3.3.14 Output Port Bit Reset (PSCOPRESETn)

Output ports are negated by writing to this register.

RES

5–1

Reserved, should be cleared.

0

CTS

Current state of the PSCnCTS input
0 PSCnCTS is low
1 PSCnCTS is high

Table 26-18. PSCOPSETn Field Descriptions

Bits

Name

Description

7–1

Reserved, should be cleared.

0

RTS

This field is reserved in AC97 mode.

For all other modes, assert PSCnRTS output
0 No operation
1 Asserts output port PSCnRTS (PSCnRTS becomes 0).

7

6

5

4

3

2

1

0

Mode

R

0

0

0

0

0

0

0

UART /

Modems /

IrDA

W

RTS

R

0

0

0

0

0

0

0

0

AC97

W

Reset

0

0

0

0

0

0

0

0

Reg

Addr

MBAR + 0x863C (PSC0); 0x873C (PSC1); 0x883C (PSC2); 0x893C (PSC3)

Figure 26-17. Output Port Bit Reset Register (PSCOPRESETn)

Table 26-19. PSCOPRESETn Field Descriptions

Bits

Name

Description

7–1

Reserved, should be cleared.

0

RTS

This field is reserved in AC97 mode.

For other modes, negate PSCnRTS output
1 Negates output port PSCnRTS (PSCnRTS becomes 1).
0 No operation

Table 26-17. PSCIPn Field Descriptions (Continued)

Bits

Name

Description

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