SH3000UM SEMTECH [Semtech Corporation], SH3000UM Datasheet - Page 8

• Manufacturer Part Number: SH3000UM
• Manufacturer: SEMTECH [Semtech Corporation]

©2006 Semtech Corp.
POWER MANAGEMENT
Block Diagram
CLK
V+
X
R
V
V
V
OUT
BAK
X
REF
SEL
4
SS
1
SS
8
5
6
7
9
IN
Select
Logic
Battery Back-up
Regulators &
LF Oscillator
2
Reference
Voltage
Oscillator
Oscillator
X
RC
TAL
V
DD
3
32.768
K
13
H
SH3003 μBuddy™
Z
Microcontroller
Periodic Interrupt
/ Wake-up Timer
Real Time Clock
Start/Stop Logic
Clock Driver &
HF Oscillator
V
Post-scaler
Watchdog
DD
Not authorized for release outside of Semtech
X
& FLL
16
IN
Monitor
8
X
15
OUT
R
Nonvolatile Memory
ESET
Default Settings
Interrupt
Reset Drivers
Control Logic
Calibration &
Serial I/O
& Logic
I/O
PIN
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SH3003
RST
N
T
IO/I
11
10
12
14
RST
EST
NT
- DRAFT