参数资料
型号: 71M6542F-IGT/F
厂商: Maxim Integrated
文件页数: 162/166页
文件大小: 0K
描述: IC ENERGY METERING
标准包装: 90
系列: *
71M6541D/F/G and 71M6542F/G Data Sheet
Pin
(64-pin)
Pin
(100-pin)
Name
Type
Circuit
Function
ICE Enable. When zero, E_RST, E_TCLK, and E_RXTX
39
59
ICE_E
I
2
become SEG50, SEG49, and SEG48 respectively. For
production units, this pin should be pulled to GND to disable
the emulator port.
60
61
92
93
TMUXOUT/SEG47
TMUX2OUT/SEG46
O
4, 5
Multiple-Use Pins. Configurable as either multiplexer/clock
output or LCD segment driver using the I/O RAM registers .
Chip Reset. This input pin is used to reset the chip into a
known state. For normal operation, this pin is pulled low. To
59
91
RESET
I
2
reset the chip, this pin should be pulled high. This pin has
an internal 30 μA (nominal) current source pulldown. No
external reset circuitry is necessary.
35
34
51
55
54
81
RX
TX
TEST
I
O
I
3
4
7
UART0 Input. If this pin is unused it must be terminated
to V3P3D or GNDD.
UART0 Output
Enables Production Test. This pin must be grounded in
normal operation.
Pushbutton Input. This pin must be at GNDD when not active
58
90
PB
I
3
or unused. A rising edge sets the WF_PB flag. It also
causes the part to wake up if it is in SLP or LCD mode. PB
does not have an internal pullup or pulldown resistor.
26, 40,
48, 49,
50, 63,
--
64, 65,
66, 73,
NC
N/C
No Connection. Do not connect this pin.
74, 77,
78, 79,
84
162
Rev 4
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