MFC2000 datasheet(352/426 Pages) ETC

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MFC2000 Multifunctional Peripheral Controller 2000

Hardware Description

19-2

Conexant

100723A

19.2 Register Description

19.2.1 The 1

st SSIF (SSIF1)

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

SSData1

01FF8103

(Not Used)

Rst. Value

xxh

Read Value

00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

SSData1

01FF8102

SSData1 (7-0)

Rst. Value

xxh

Read Value

xxh

Note:

The SSData1 Register serves as Transmit Shift Register (TxBuffer1) during CPU write, or as

Receive Shift Register (RxBuffer1) during CPU read. Reading the SSData1 Register will clear

the SSInFull1 Interrupt bit. Writing to the SSData1 Register will reset the shift bit counter,

overwrite the output register and initiate an 8 bit serial shift while in serial mode.

A bit called SSSTATOut1 is added into the SSCmd1 register. The SSSTATOut1 value will be

output to the SSSTAT1/GPIO[8] pin as the GPIO[8] data when the SSSTAT1/GPIO[8] pin is

programmed as GPIO[8] through the GPIOConfig register.

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

SSCmd1

01FF8101

(Not Used)

SSSTATOut

Rst. Value

xxxxxxx0b

Read

Value 00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

SSCmd1

01FF8100

(Not Used)

L2MSB1

SSCLKPol1

SSCLKPhas

(Not Used)

Mode11

0 - Master

1 - Slave

Rst. Value

xxx000x0b

Read

Value 00h

Bit 8:

The SSSTATOut1 bit is used only when the SSSTAT1/GPIO[8] pin is

programmed as GPIO[8] through the GPIOConfig register. The data

value in the SSSTATOut1 bit is the GPIO[8] data value.

Bit 4:

L2MSB1, Read/Write bit.

This bit controls the shifting order of the transmit and receive registers.

When the L2MSB1 bit is cleared (default), the transmit and receive

shift register will shift from the MSB to the LSB. When the L2MSB1 bit

is set, the transmit and receive register will shift from the LSB to MSB.

MFC2000 Datasheet(PDF) 352 Page - List of Unclassifed Manufacturers

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