9 sleep state control and mask registers, 1 register e4hsleep state control, 1 register e4h – Rainbow Electronics LM93 User Manual
Page 80: Sleep state control, 0 registers

16.0 Registers
(Continued)
16.9 SLEEP STATE CONTROL AND MASK REGISTERS
16.9.1 Register E4h
Sleep State Control
Register
Address
Read/
Write
Register
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Value
E4h
R
Sleep State
Control
RES
SB
07h
Bit
Name
R/W
Description
1:0
SB
R/W
Sleep State Control. Setting this field tells the LM93
which sleep state the system is in. Several error
events are masked depending on the state of this
field.
7:2
RES
R
Reserved
SB
Description
00
Sleep state = S0
Do not mask errors.
01
Sleep state = S1
Mask errors according to S1
mask registers and standard S1
masking.
10
Sleep state = S3
Mask errors according to S3
mask registers and standard S3
masking.
11
Sleep state = S4/5
Mask errors according to S4/5
mask registers and standard
S4/5 masking. This mode is
activated automatically if the
RESET input is asserted.
LM93
www.national.com
80