71M6403
Electronic Trip Unit
SEPTEMBER 2006
FAULT_PULSE
DIO7
LCD
Comparator
STROBE
SERIAL
DIO6
(UART0/1)
MPU
FAULT_THRESH
EEPROM
(I2C)
DATA
ADC
SAMPLES
DIO
CE
Mux Ctrl.
I/O RAM (CONFIGURATION RAM)
Figure 14: MPU/CE Communication (Functional)
The MPU will wait for the CE to signal that fresh data is ready (the XFER interrupt). It will read the data and perform additional
processing.
CE PRAM
FLASH
ACCUMULATE
INTERRUPT
COMPUTATION
ENGINE
CE DRAM
MPU
Figure 15: MPU/CE Communication (Processing Sequence)
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© 2006 TERIDIAN Semiconductor Corporation
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