ATAR080 datasheet(48/68 Pages) ATMEL

Part #	ATAR080

Description	Low-current Microcontroller for Wireless Communication

PDF	68 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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48 / 68 page

ATAR080

4675D–4BMCU–12/04

Figure 51. SSI Output Masking Function

Serial Interface Registers

Serial Interface Control Register

1 (SIC1)

8-bit shift register

MSB

LSB

Shift_CL

Control

Timer 2

Output

SSI-control

Compare 2/1

4-bit counter 2/1

CL2/1

SCL

CM1

OMSK

TOG2

POUT

T1OUT

SYSCL

Auxiliary register address: '9'hex

Bit 3Bit 2Bit 1Bit 0

SIC1

SIR

SCD

SCS1

SCS0

Reset value: 1111b

SIR

Serial Interface Reset

SIR = 1, SSI inactive

SIR = 0, SSI active

SCD

Serial Clock Direction

SCD = 1, SC line used as output

SCD = 0, SC line used as input

Note: This bit has to be set to '1' during the MCL mode

SCS1

Serial Clock source Select bit 1

SCS0

Serial Clock source Select bit 0

Note:

With SCD = '0' the bits SCS1 and SCS0 are insignificant

Table 20. Serial Clock Source Select Bits

SCS1

SCS0

Internal Clock for SSI

SYSCL/2

T1OUT/2

POUT/2

TOG2/2

ATAR080 Datasheet(PDF) 48 Page - ATMEL Corporation

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