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Atmel ATA6264 User Manual
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78
4929B–AUTO–01/07
ATA6264
[Preliminary]
Figure 24-2.
Typical Application Circuit
KL15
RESQ2
MISO
RESQ
MOSI
KL30
K1
RxD1
TxD1
RxD2
TxD2
RESQ2
VINT
MISO
RESQ
SSQ
SCLK
SSQ
SCLK
Cp
K30
USP
MOSI
RxD1
TxD1
RxD2
UZP
UZP
CP-OUT
CP-OUT
IREF
GNDB
GNDD
GND
A
K2
IASG3
IASG4
ISENS
IASG5
IASG1
K1
TxD2
GEVZ
EVZ (33V)
VPERI (5V)
VCORE (5V)
VSA
T (9V)
EVZ
FBEVZ
COMEVZ
K15
COMSA
TO
VPERI
VSA
T
SVCORE
VCORE
SVSA
T
SVPERI
COMCOO
COMCOI
COMSA
TI
OCEVZ
IASG2
A
T
A6264
K2
KL30
77
79
Table of Contents
1 Description
1
Features
1
Block Description
3
Integrated Boost Converter EVZ
3
Integrated Buck Converter VSAT
3
Integrated Buck Converter VCORE
3
Linear Regulator VPERI
3
Blocks Included
3
2 Pin Configuration
4
3 Absolute Maximum Ratings
6
4 Functional Range
8
Protection against Substrate Currents
9
5 Supply Currents
10
Discharger Circuit
11
Initial Programming of the ATA6264
11
Start-Up and Power-Down Procedure
14
Start-Up Procedure if VVCORE Is Programmed to be 5V or 2.5V
15
The Power-Down Procedure Takes Place in Different Phases
15
Start-Up Procedure if VVCORE Programmed to be 1.88V
16
The Power-Down Procedure for VVCORE Is Programmed to be 1.88V
17
6 Power Supply Sequencing
18
7 Charge Pump
20
8 GKEY Function
22
9 EVZ Step-Up Regulator
24
10 VSAT Power Supply
30
11 VPERI Power Supply
33
12 VCORE Power Supply
35
13 USP Comparator for General Purpose
39
14 Reference Voltage and Reference Current Generation
40
15 Reset Function (Pin RESQ and Pin RESQ2)
41
16 Watchdog Function
47
17 LIN/ISO 9141 Interfaces
54
18 Voltage/Current Sources (Iasgx Sources)
58
19 AMUX (Analog Multiplexer for Voltage Measurements)
62
20 UZP Buffer
65
21 Chip Temperature Measurement
67
22 Serial Interface Commands
68
Overview
68
Set Commands
70
Serial Interface Status Register
74
23 Test Mode
76
24 Application Circuits
77
25 Ordering Information
79
26 Package Information
79
27 Revision History
80
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Atmel ATA6264 Specifications
General
Brand
Atmel
Model
ATA6264
Category
Accessories
Language
English
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