ATA6020N ATMEL Corporation, ATA6020N Datasheet - Page 49

• Manufacturer Part Number: ATA6020N
• Description: Low-current Microcontroller For Watchdog Function
• Manufacturer: ATMEL Corporation

Figure 5-31. SSI Output Masking Function
5.2.7.10
5.2.7.11
4708D–4BMCU–09/05
T1OUT
SYSCL
POUT
TOG2
Serial Interface Registers
Serial Interface Control Register 1 (SIC1)
SCL
/2
SC
Table 5-12.
SIC1
SIR
SCD
SCS1
SCS0
CL2/1
SCS1
1
1
0
0
Bit 3
SIR
Serial Interface Reset
SIR = 1, SSI inactive
SIR = 0, SSI active
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
Serial Clock source Select bit 1
Serial Clock source Select bit 0
Note: with SCD = '0' the bits SCS1 and SCS0 are insignificant
Serial Clock Source Select Bits
Shift_CL
4-bit counter 2/1
Compare 2/1
SO
Bit 2
SCD
SCS0
CM1
MSB
1
0
1
0
Timer 2
SSI-control
8-bit shift register
Bit 1
SCS1
Internal Clock for SSI
SYSCL/2
T1OUT/2
POUT/2
TOG2/2
Bit 0
SCS0
LSB
Control
Auxiliary register address: ’9’hex
Reset value: 1111b
OMSK
SI
Output
SO
ATA6020N
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