参数资料
型号: 71M6543F-IGTR/F
厂商: Maxim Integrated
文件页数: 59/154页
文件大小: 0K
描述: IC ENERGY METER 64K FLSH 100LQFP
标准包装: 1,000
系列: *
71M6543F/71M6543G Data Sheet
HIGH
HIGH-Z
LOW
MISSION
LCD/SLEEP
BROWNOUT
V3P3SYS
VBAT
V3P3D
DIO
HIGH
HIGH-Z
LOW
MISSION
LCD/SLEEP
BROWNOUT
V3P3SYS
VBAT
V3P3D
DIO
Not recommended
GNDD
Recommended
GNDD
Figure 16: Connecting an External Load to DIO Pins
2.5.10.2 Combined DIO and SEG Pins
A total of 51 combined DIO/LCD pins are available. These pins can be categorized as follows:
39 combined DIO/LCD segment pins:
o
o
o
o
SEGDIO4…SEGDIO25 (22 pins)
SEGDIO28…SEGDIO35 (8 pins)
SEGDIO40…SEGDIO45 (6 pins)
SEGDIO52…SEGDIO54 (3 pins)
12 combined DIO/LCD segment pins shared with other functions:
o
o
o
o
o
SEGDIO0/WPULSE, SEGDIO1/VPULSE (2 pins)
SEGDIO2/SDCK, SEGDIO3/SDATA (2 pins)
SEGDIO26/COM5, SEGDIO27/COM4 (2 pins)
SEGDIO36/SPI_CSZ…SEGDIO39/SPI_CKI (4 pins)
SEGDIO51/OPT_TX, SEGDIO55/OPT_RX (2 pins)
Additionally, 5 LCD segment (SEG) pins are available. These pins can be categorized as follows:
o
o
3 SEG pins combined with the ICE interface (SEG48/E_RXTX, SEG49/E_TCLK,
SEG50/E_RST)
2 SEG pins combined with the test multiplexer outputs (SEG46/TMUX2OUT,
SEG47/TMUXOUT)
Thus, a total of 51 DIO pins are available with minimum LCD configuration, and a total of 56 LCD pins are
available with minimum DIO configuration.
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