78M6610+PSU Data Sheet
1
On-Chip Resources Overview
The 78M6610+PSU integrates all the functional hardware blocks required to embed solid-state AC power
and energy measurement. Included on the device are:
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Accurate oscillator and clock management logic
Power-on reset, watchdog timer, and reset circuitry
High-accuracy Analog Front End (AFE) with trimmed voltage reference and temperature sensor
24-bit energy measurement processor (EMP)
RAM and flash memory
Communication interfaces
Multipurpose Digital I/O
Figure 1 shows a block diagram of the device. A detailed description of various functional blocks follows.
MUX
V 3P3A
RC
OSC
IBIAS
GEN
TEMP
SENSE
ADC
VREF
VBIAS
GEN
2.5v
REG.
GNDA
XIN
XOUT
XTAL
OSC
CK
SEL
TEMP
LOG.
FIR
TRIM
BITS
MUX
CONTROL
SPI
2.5v
V 3P3
RELAYCTRL
SPCK/ADDR0
MPY
DIV
SDI/RX/SDAi
I C
CLOCK
GEN
CK20M
EMP
Energy Measurement
Processor
SQ
RT
2
SDO/TX/SDAo
ACFAULT
SSB/DIR/SCL
ADDR1
24b data bus
16
program bus
UART
IFCONFIG
MP0
V 3P3D
CE DATA
RAM
512x24
INFO.
BLOCK
FLASH
4Kx16
PROGRAM
MEMORY
MP1
ACCRIT
4
GNDD
Figure 1: IC Functional Block Diagram
RESET
Rev 1
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相关代理商/技术参数
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