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| FMS7401 Datasheet, PDF (2/80 Pages) Fairchild Semiconductor – Digital Power Controller | |||
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FMS7401/7401L
Block Diagram
Vcc
Vdd
GND RESET
G7/AIN4/
AOUT
G6/-AIN
G3/AIN1
G2/AIN2
G1/AIN3/
ADSTROBE
SR_GND
G4/AIN0
AGND
Vcc
VREF
Uncommitted
Amplifier
_
+
AOUT
Analog
ACH5
Mux
ACH2
ACH3 Y
S/H
ACH4
8-bit
ADC
Autozero
Amplifier
_
x16
+
Unit Gain
ACH1
AOUT
Programmable
Comparator
+
_
Progr.
Reference
FMS7401
only
3.3V
Regulator
Power-on Reset
and Brown-out Reset
Internal
Oscillator
Timer 0
and Watchdog
64bytes
Data EEPROM
Memory
8-bit
Microcontroller
Core
64 bytes
SRAM
PWM
TIMER 1
and
Dead Time
Control
1024 bytes
Code EEPROM
Memory
I/O
PORTS
Digital
Filter
Figure 1. FMS7401/7401L Block and Connection Diagram
Pin Conï¬gurations
G0/T1HS1
G5/T1HS2
G4/AIN0 1
GND 2
G2/AIN2 3
G1/AIN3 4
8 VCC
7 G5/T1HS2
6 G0/T1HS1
5 G3/AIN1
FMS7401L 8-Pin PDIP/SOIC
G5/T1HS2 1
VCC 2
G4/AIN0 3
GND 4
8 G0/T1HS1
7 G3/AIN1
6 G1/AIN3
5 G2/AIN2
FMS7401L 8-Pin TSSOP
G4/AIN0 1
SR_GND 2
GND 3
G6/-AIN 4
G7/AOUT 5
G2/AIN2 6
G1/AIN3 7
14 VCC
13 VDD
12 G5/T1HS2
11 RESET
10 G0/T1HS1
9 G3/AIN1
8 AGND
FMS7401/7401L 14-Pin PDIP/SOIC/TSSOP
2
REV. 1.0.2 6/23/04
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