Data Sheet
AD5940
Sequence 0 to Sequence 3 Wake-Up Time Registers (LSB)—SEQxWUPL
Address 0x00000808, Reset: 0xFFFF, Name: SEQ0WUPL
Address 0x00000818, Reset: 0xFFFF, Name: SEQ1WUPL
Address 0x00000828, Reset: 0xFFFF, Name: SEQ2WUPL
Address 0x00000838, Reset: 0xFFFF, Name: SEQ3WUPL
These registers sets the sequence sleep time. The counter is 20 bits. These registers set the 16 LSBs. When this timer elapses, the device
wakes up.
Table 129. Bit Descriptions for SEQxWUPL Registers
Bits
Bit Name
Settings Description
Sequence and sleep period. This register defines the length of time in which
the device stays in sleep mode. When this time elapses, the device wakes up.
Reset
0xFFFF R/W
Access
[15:0] WAKEUPTIME0[15:0]
Sequence 0 to Sequence 3 Wake-Up Time Registers (MSB)—SEQxWUPH
Address 0x0000080C, Reset: 0x000F, Name: SEQ0WUPH
Address 0x0000081C, Reset: 0x000F, Name: SEQ1WUPH
Address 0x0000082C, Reset: 0x000F, Name: SEQ2WUPH
Address 0x0000083C, Reset: 0x000F, Name: SEQ3WUPH
These registers sets the sequence sleep time. The counter is 20 bits. These registers set the 4 MSBs When this timer elapses, the device
wakes up.
Table 130. Bit Descriptions for SEQxWUPH Registers
Bits
[15:4] Reserved
[3:0] WAKEUPTIME0[19:16]
Bit Name
Settings Description
Reset Access
Reserved.
0x0
0xF
R
R/W
Sequence and sleep period. This register defines the length of time in
which the device stays in sleep mode. When this time elapses, the device
wakes up.
Sequence 0 to Sequence 3 Sleep Time Registers (LSB)—SEQxSLEEPL
Address 0x00000810, Reset: 0xFFFF, Name: SEQ0SLEEPL
Address 0x00000820, Reset: 0xFFFF, Name: SEQ1SLEEPL
Address 0x00000830, Reset: 0xFFFF, Name: SEQ2SLEEPL
Address 0x00000840, Reset: 0xFFFF, Name: SEQ3SLEEPL
The SEQxSLEEPL registers define the device active time for SEQ0 to SEQ3. The counter is 20 bits. These registers set the 16 LSBs.
Table 131. Bit Descriptions for SEQxSLEEPL Registers
Bits
Bit Name
Settings Description
Sequence and active period. This register defines the length of time in which the
device stays in active mode. When this time elapses, the device returns to sleep.
Reset
0xFFFF R/W
Access
[15:0] SLEEPTIME0[15:0]
Sequence 0 to Sequence 3 Sleep Time Registers (MSB)—SEQxSLEEPH
Address 0x00000814, Reset: 0x000F, Name: SEQ0SLEEPH
Address 0x00000824, Reset: 0x000F, Name: SEQ1SLEEPH
Address 0x00000834, Reset: 0x000F, Name: SEQ2SLEEPH
Address 0x00000844, Reset: 0x000F, Name: SEQ3SLEEPH
The SEQxSLEEPH registers define the device active time for SEQ0 to SEQ3. The counter is 20 bits. These registers set the four MSBs.
Table 132. Bit Descriptions for SEQxSLEEPH Registers
Bits
[15:4] Reserved
[3:0] SLEEPTIME0[19:16]
Bit Name
Settings Description
Reset Access
Reserved.
0x0
0xF
R
R/W
Sequence and active period. This register defines the length of time in which the
device stays in active mode. When this time elapses, the device returns to sleep.
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