K20P81M72SF1 查看數據表（PDF） - NXP Semiconductors.
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K20P81M72SF1 Datasheet PDF : 71 Pages
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General
Symbol Description
Min.
Max.
Unit
IDD
Digital supply current
—
185
mA
VDIO
Digital input voltage (except RESET, EXTAL, and XTAL)
–0.3
5.5
V
VAIO
Analog1, RESET, EXTAL, and XTAL input voltage
–0.3
VDD + 0.3
V
ID
Maximum current single pin limit (applies to all digital pins)
–25
25
mA
VDDA
Analog supply voltage
VDD – 0.3
VDD + 0.3
V
VUSB_DP USB_DP input voltage
–0.3
3.63
V
VUSB_DM USB_DM input voltage
–0.3
3.63
V
VREGIN USB regulator input
–0.3
6.0
V
VBAT
RTC battery supply voltage
–0.3
3.8
V
1. Analog pins are defined as pins that do not have an associated general purpose I/O port function.
5 General
5.1 AC electrical characteristics
Unless otherwise specified, propagation delays are measured from the 50% to the 50%
point, and rise and fall times are measured at the 20% and 80% points, as shown in the
following figure.
Figure 1. Input signal measurement reference
All digital I/O switching characteristics assume:
1. output pins
• have CL=30pF loads,
• are configured for fast slew rate (PORTx_PCRn[SRE]=0), and
• are configured for high drive strength (PORTx_PCRn[DSE]=1)
2. input pins
• have their passive filter disabled (PORTx_PCRn[PFE]=0)
5.2 Nonswitching electrical specifications
K20 Sub-Family Data Sheet, Rev. 3, 11/2012.
10
Freescale Semiconductor, Inc.
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