78M6610+LMU Data Sheet
On-Chip Resources Overview
The 78M6610+LMU device integrates all the hardware blocks required for accurate AC power and energy
measurement. Included on device are:
•
•
•
•
•
Oscillator circuits 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) with RAM and flash memory
Serial UART, SPI, I2C interfaces and multipurpose digital I/O
IC Block Diagram
The following is a block diagram of the hardware resources available on the 78M6610+LMU.
19
1
24
22
20
23
MUX
21
3P3A
2
V
IBIAS
GEN
GNDA
VREF
VBIAS
GEN
ADC
2.5v
REG.
RC
OSC
TEMP
SENSE
V3P3
TRIM
BITS
MUX
CONTROL
9
XIN
2.5v
FIR
XTAL
OSC
CK
SEL
10
XOUT
TEMP
LOG.
SPCK/ADDR0
SSB/DIR/SCL
SDO/TXD/SDAo
SDI/RXD/SDAi
IFC0
14
6
SPI
MPY
DIV
12
13
3
CLOCK
GEN
2
EMP
I C
CK20M
IFC1
17
16
15
7
√
MP10
UART
24 b data bus
16
MP0
program bus
MP4
MP6/ADDR1
MP7
5
FLASH
4Kx16
PROGRAM
MEMORY
CE DATA
RAM
512x24
4
INFO.
BLOCK
8
V
3P3D
GNDD
11
18
RE
S
ET
Figure 5. Block Diagram
12
Rev 0
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
