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Circuit-, IC descriptions and list of abbreviations
EN 160
9.
IC7500, PNX7850: FEBE Board, Channel Codec/Buffer Manager/Servo Processor and Controller
Figure 9-32
IC7926 NCP303LSN, FEBE Board , Reset Circuit
Figure 9-33
CHANNEL CODEC
BUFFER
MANAGER
wobble
HF
EFM
motor
TELEMETRY
SDRAM
CONTROLLER
SDRAM
actuators
LF input
host
PI-bus
INSTRUCTION
EXECUTION
UNIT
COPROCESSOR
MIPS PR1910
OPC input
SERVO DSP AND CONTROL PROCESSOR
UDMA66
HOST
INTERFACE
audio
UART
GPIO
I2C
Flash
ANALOG
POWER
MANAGEMENT
DRIVE INTERFACE
CD/DVD
WOBBLE
PROCESSOR
EFM WRITE
CLOCK/DATA
GENERATOR
SIGNAL
CONDITION.
BIT
DETECTION
AND
DEMOD.
CD/DVD
CHANNEL
ENCODE/
DECODE
WITH
ERROR
CORRECTION
DATA BLOCK
ENCODE/
DECODE
MICRO
INTERFACE
TACHO/MOTOR
CONTROL
DEEPLY EMBEDDED
MEMORY
DEBUG SUPPORT
CACHE
INTERFACE
MICRO
INTERFACE
MEMORY
PROCESSOR
AUTOMATION
OPC
SERVO
DSP
SERVO
ACCELERATORS
STATIC MEMORY
INTERFACE
POWER CONTROL
AND RESET
UART
CONFIG
I2C
GPIO
ROM
INTERRUPT
CONTROLLER
EJTAG
CSS
AUDIO
PROCESSOR
Nexperia PNX7850 conceptual block diagram
NCP303LSNxxT1
Open Drain Output Configuration
t
V
ref
2
Input
3
Gnd
5
C
D
R
D
1
Reset Output
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