参数资料
型号: 71M6545-IGTR/F
厂商: Maxim Integrated
文件页数: 129/133页
文件大小: 0K
描述: IC ENERGY METER 3PHASE 64LQFP
标准包装: 1,500
系列: *
71M6545/71M6545H Data Sheet
6.8.3
71M6545/H Digital Pins
Table 100 lists the digital pins. Pin types: O = Output, I = Input, I/O = Input/Output, N/C = no connect.
The circuit number denotes the equivalent circuit, as specified in 6.8.4 .
Table 100: 71M6545/H Digital Pins
Pin
No.
Name
Type
Circuit
Description
31
30
DIO0/WPULSE
DIO1/VPULSE
29
28
27
26
25
24
23
DIO2/SDCK
DIO3/SDATA
DIO4
DIO5
DIO6/XPULSE
DIO7/YPULSE
DIO8/DI
I/O
3, 4
Multiple-Use Pins. Configurable as DIO or its alternate
function. Alternate functions with proper selection of
associated I/O RAM registers are:
DIO0 = WPULSE (31)
DIO1 = VPULSE (30)
DIO2 = SDCK (29)
DIO3 = SDATA (28)
DIO6 = XPULSE (25)
DIO7 = YPULSE (24)
DIO8 = DI (23)
17–22 DIO[14:9]
8–14 DIO[25:19]
Unused pins must be configured as outputs or
terminated to V3P3/GNDD.
6–7
32
DIO[29:28]
DIO55
3
2
1
64
36
34
35
37
62
63
61
33
15
51
60
59
SPI_CSZ
SPI_DO
SPI_DI
SPI_CKI
E_RXTX
E_RST
E_TCLK
ICE_E
TMUXOUT
TMUX2OUT
RESET
RX
TX
TEST
PB
NC
I
O
I
I
I/O
I/O
O
I
O
I
I
O
I
I
N/C
3, 4
1, 4
4
2
4
2
3
4
7
3
--
SPI interface pins.
Emulator port pins. These pins are activated when the
ICE_E pin is pulled high.
ICE enable. For production units, this pin should be
pulled to GND to disable the emulator port.
Multiplexer/clock output pins .
Chip reset: This input pin is used to reset the chip into a
known state. For normal operation, this pin is pulled low.
To reset the chip, this pin is pulled high. This pin has an
internal 30 μA (nominal) current source pull-down. No
external reset circuitry is necessary.
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.
Push button input. This pin must be at GNDD when not
active or unused. PB does not have an internal pull-up or
pull-down resistor.
Do not connect this pin.
v2
129
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