EM773FHN33 NXP Semiconductors, EM773FHN33 Datasheet - Page 42

• Manufacturer Part Number: EM773FHN33
• Description: The EM773 is an ARM Cortex-M0 based, low-cost 32-bit energy metering IC, designed for 8/16-bit smart metering applications
• Manufacturer: NXP Semiconductors

NXP Semiconductors
EM773
Product data sheet
11.3 Standard I/O pad configuration
order to keep the noise coupled in via the PCB as small as possible. Also parasitics
should stay as small as possible. Values of C
accordingly to the increase in parasitics of the PCB layout.
Figure 24
Fig 24. Standard I/O pad configuration
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as digital output
as analog input
as digital input
pin configured
pin configured
pin configured
Digital output driver
Digital input: Pull-up enabled/disabled
Digital input: Pull-down enabled/disabled
Digital input: Repeater mode enabled/disabled
Analog input
driver
shows the possible pin modes for standard I/O pins with analog input function:
All information provided in this document is subject to legal disclaimers.
repeater mode
analog input
Rev. 2 — 3 January 2012
data input
enable
output
output enable
pull-down enable
pull-up enable
select analog input
X1
and C
X2
should be chosen smaller
V
DD
weak
pull-up
weak
pull-down
Energy metering IC
© NXP B.V. 2012. All rights reserved.
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ESD
DD
EM773
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SS
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