MC34709 데이터 시트보기 (PDF) - Freescale Semiconductor
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MC34709 Datasheet PDF : 142 Pages
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Internal Block Diagram
3 Internal Block Diagram
3.1 Simplified Internal Diagram
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GNDADC
ADIN9
ADIN10
ADIN11
ADIN12/TSX1
ADIN13/TSX2
ADIN14/TSY1
ADIN15/TSY2
TSREF
Touch
Screen
Interface
MUX
10 Bit GP
ADC
A/D Result
A/D
Control
DVS
CONTROL
Die Temp &
Thermal Warning
Detection
To Interrupt
Section
SW1
Dual Phase
GP
2000 mA
Buck
SW2
100L0`PmA
Buck
SW3
INT MEM
500 mA
Buck
SPIVCC
CS
CLK
MOSI
MISO
GNDSPI
VCORE
VCOREDIG
VDDLP
VCOREREF
GNDCORE
GNDREF
BP
VINUSB
VUSB
GNDUSB
LICELL
SPI
Interface
+
Muxed
I2C
Optional
Interface
Shift Register
SPI
Registers
Shift Register
To Enables & Control
Package Pin Legend
Output Pin
Input Pin
Bi-directional Pin
Reference
Generation
SW4
Dual Phase
DDR
1000 mA
Buck
SW5
I/O
1000 mA
Buck
SWBST
380 mA
Boost
VREFDDR
10mA
VUSB
Regulator
BP
Li Cell
Charger
LCELL
Switch
SPI
Control
Logic
Trim-In-Package
To
Trimmed
Circuits
PUMSx
Startup
Sequencer
Decode
Trim
Control
Logic
32 KHz
Internal
Osc
32 KHz
Crystal
Osc
SPI Result
Registers
Interrupt
Inputs
Enables &
Control
Core ControDl Ligoigtiac,l TCimoerres, & Interrupts
PLL
Monitor
Timer
RTC +
Calibration
32 KHz
Buffers
Switchers
Best
of
Supply
VSRTC
VPLL
50 mA
VUSB2
250mA
VDAC
250mA
VGEN1
250mA
VGEN2
250mA
GPIO Control
O/P
Drive
O/P
Drive
SW1IN
SW1ALX
GNDSW1A
SW1FB
SW1CFG
SW1VSSSNS
SW1BLX
GNDSW1B
SW1PWGD
O/P
Drive
SW2IN
SW2LX
GNDSW2
SW2FB
SW2PWGD
O/P
Drive
O/P
Drive
O/P
Drive
O/P
Drive
SW3IN
SW3LX
GNDSW3
SW3FB
SW4AIN
SW4ALX
GNDSW4A
SW4FBA
SW4CFG
SW4BIN
SW4BLX
GNDSW4B
SW4BFB
SW5IN
SW5LX
GNDSW5
SW5FB
O/P
Drive
SWBSTIN
SWBSTLX
SWBSTFB
GNDSWBST
Pass
FET
Pass
FET
VINREFDDR
VHALF
VREFDDR
VINPLL
VPLL
VUSB2DRV
VUSB2
VDACDRV
VDAC
Pass
FET
VINGEN1
VGEN1
Pass
FET
VGEN2DRV
VGEN2
LDOVDD
PWM
Outputs
GNDREG1
GNDREG2
GNDREF1
GNDREF2
Figure 2. Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor
34709
6
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