71M6403 Datasheet, PDF (47/75 Pages) Teridian Semiconductor Corporation – Electronic Trip Unit

ADC
Mux Ctrl.
FAULT_PULSE
DIO7
Comparator
DIO6
FAULT_THRESH
SAMPLES
CE
STROBE
DATA
71M6403
Electronic Trip Unit
SEPTEMBER 2006
MPU
LCD
SERIAL
(UART0/1)
EEPROM
(I2C)
DIO
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.
FLASH
ACCUMULATE
INTERRUPT
CE PRAM
COMPUTATION
ENGINE
Page: 47 of 75
MPU
CE DRAM
Figure 15: MPU/CE Communication (Processing Sequence)
© 2006 TERIDIAN Semiconductor Corporation
REV 1.0