MIC2358YLQ Datasheet, PDF (19/29 Pages) Micrel Semiconductor – IEEE 802.3af Octal Power Sourcing Equipment Controller

Micrel, Inc.
MIC2358YLQ
Port Control
(-0, -8)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
dc_mps
ac_mps
classify
force_power
Disable
Port Option
(-1, -9)
classify_and_deny
max_class
monitor
event_hold
priority
Port
Reserved
(-2, -A)
Test Port Voltage Port Current Port Status
(-3, -B)
(-4, -C)
(-5, -D)
(-6, -E)
pse_status
pd_class
Port Event
(-7, -F)
power_denied
valid_signature
Invalid_signature
short_circuit
overload
dc_mps_absent
ac_mps_absent
Read & Write
Read Only
Table 3. Port Registers
Read Only, Clear on Read
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Global
Config
(0x40)
Global
Power
Set-Up
(0x41)
max_
class
Ignore_
faults
enable_
spm
Ignore_
class_
overload
Alternative
_b
restore_
default_
setup
min_
priority_
new_
power
min_
priority_
maintain_
power
Global
Event
Mask
(0x42)
power_
denied
valid_
signature
Invalid_
signature
short_
circuit
overload
dc_mps_
absent
ac_mps_
absent
Global
SMBus
Status
(0x43)
enable_
SMBINT
Global
SQR
(0x44)
port_8
port_7
port_6
port_5
port_4
port_3
port_2
port_1
Global
Status
(0x45)
Global
Current
Port
(0x46)
Global
Detect
Min
(0x48)
current_
port
smp_
fault
current_
port
current_
port
Global
Detect
Max
(0x49)
Global
ID
(0x4E)
Global
Rev
(0x4F)
Read and Write
Read Only
Table 4. Global Registers
July 2010
19
M9999-070810