T48C862x-Rf-TNS datasheet(75/107 Pages) ATMEL

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T48C862-R4 [Preliminary]

4551C–4BMCU–01/04

Serial Interface Registers

Serial Interface Control

Auxiliary register address: "9"hex

Note:

This bit has to be set to "1" during the MCL mode and the Timer 3 mode 10 or 11

Note:

with SCD = 0 the bits SCS1 and SCS0 are insignificant

Table 24.

Serial Clock Source Select Bits

•

In transmit mode (SDD = 1) shifting starts only if the transmit buffer has been loaded

(SRDY = 1).

•

Setting SIR bit loads the contents of the shift register into the receive buffer

(synchronous 8-bit mode only).

•

In MCL modes, writing a 0 to SIR generates a start condition and writing a 1

generates a stop condition.

Bit 3Bit 2Bit 1Bit 0

SIR

SCD

SCS1

SCS0

Reset value: 1111b

SIR

erial Interface Reset

SIR = 1, SSI inactive

SIR = 0, SSI active

SCD

erial Clock Direction

SCD = 1, SC line used as output

SCD = 0, SC line used as input

SCS1

erial Clock source Select bit 1

SCS0

erial Clock source Select bit 0

SCS1

SCS0

Internal Clock for SSI

SYSCL/2

T1OUT/2

POUT/2

TOG2/2

T48C862x-Rf-TNS 데이터시트(PDF) 75 Page - ATMEL Corporation

T48C862x-Rf-TNS 데이터시트(HTML) 75 Page - ATMEL Corporation

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