SH3100IMTR SEMTECH [Semtech Corporation], SH3100IMTR Datasheet - Page 8

• Manufacturer Part Number: SH3100IMTR
• Description: Supervisory IC with I2C Interface and PWM
• Manufacturer: SEMTECH [Semtech Corporation]

© 2006 Semtech Corp.
POWER MANAGEMENT
Block Diagram
VREG
XOUT
VBAK
GND
GND
VDD
XIN
SH3100
OTP fuse
memory 96 Bits
for calibration &
mode
configuration
Internal
regulators
Battery
backup
handler
Bandgap
reference
RTC calendar
& alarm
32.768 kHz
crystal
oscillator
32.768 kHz
±3% internal
oscillator
Clock
select
Watchdog
counter
8-bit DAC and
comparator. Used to
monitor VDD, VBAK,
SNSE or temperature.
Spread
spectrum
control
Master 8 MHz to
33 MHz HFDCO
oscillator & frequency
locking
Temperature
sensor
System management
Control/status registers
Scratchpad registers
8
Clock
stop/start
control
LDO
PIT
Programmable
VDD threshold
reset generator
Switching
regulator
PWM & fan
controller
Reset
Duration
Interrupt
generator
& GPIO
CLK0
postscaler
CLK1
postscaler
I
interface
2
C
CLKIN
SNSE
NRST
PWM
CLK0
CLK1
SDA
SCL
INT
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SH3100