73S1210F-44M/F/PC Maxim Integrated Products, 73S1210F-44M/F/PC Datasheet - Page 25
73S1210F-44M/F/PC
Manufacturer Part Number
73S1210F-44M/F/PC
Description
Microcontrollers (MCU)
Manufacturer
Maxim Integrated Products
Datasheet
1.73S1210F-44MFPC.pdf
(126 pages)
Specifications of 73S1210F-44M/F/PC
Lead Free Status / Rohs Status
Details
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DS_1210F_001
1.7.2
The detailed power supply management logic block diagram is shown in Figure 5.
The 73S1210F contains a power supply and converter circuit that takes power from any one of three
sources; V
V
voltage range of 2.7 to approximately 3.1 volts or by a standard supply of 3.3 or 5 volts.
V
Rev. 1.4
PC
BUS
is specified to range from 2.7 to 6.5 volts. It can typically be supplied by a single cell battery with a
ON_OFF
is typically supplied by an external power supply and ranges in value from 4.4 to 5.5 volts (6.5V maximum).
V
V
BUS
Power Supply Management
BAT
PC
, V
BUS
, or V
Figure 5: Detailed Power Management Logic Block Diagram
Debounce
Circuit
MPU
BAT
PWRDN*
V
.
BUSTH
INT
*PWRDN bit in MISCtl0
Control
Power
VCC Enable
+
-
D
SET
CLR
Q
Q
Pass Through
Mode Enable
VCC Voltage
NO
NC
Circuit
(POR)
Delay
Select
VDD to
Internal
Circuits
S
R
SET
CLR
Q
Q
Regulator
Regulator
VCC
VDD
EN
Converter
Through*
DC-DC
VP
/ Pass
*Pass Through -> VP = VPC
VDD
VPC
VCC
OFF_REQ
INT3
LIN
73S1210F Data Sheet
VP
To optional
external
circuits
20mA max.
Smart
Card
Power
25
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