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SPC56EC74L7 bảng dữ liệu(PDF) 18 Page - STMicroelectronics

tên linh kiện SPC56EC74L7
Giải thích chi tiết về linh kiện  32-bit MCU family built on the Power Architecture® for automotive body electronics applications
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Package pinouts and signal descriptions
SPC564Bxx - SPC56ECxx
18/118
Doc ID 17478 Rev 4
3.2
System pins
The system pins are listed in Table 4.
3.3
Functional ports
The functional port pins are listed in Table 5.
a.
See the I/O pad electrical characteristics in the device datasheet for details.
b.
All medium and fast pads are in slow configuration by default at reset and can be configured as fast or medium.
For example, Fast/Medium pad will be Medium by default at reset. Similarly, Slow/Medium pad will be Slow by
default. Only exception is PC[1] which is in medium configuration by default (refer to PCR.SRC in the reference
manual, Pad Configuration Registers (PCR0—PCR198)).
Table 4.
System pin descriptions
Port pin
Function
I/O
direction
Pad
type
RESET
config.
Pin number
RESET
Bidirectional reset with Schmitt-Trigger
characteristics and noise filter.
I/O
M
Input, weak
pull-up only
after
PHASE2
29
29
K1
EXTAL
Analog input of the oscillator amplifier
circuit. Needs to be grounded if oscillator
bypass mode is used.
IA(1)
—58
74
T8
XTAL
Analog output of the oscillator amplifier
circuit, when the oscillator is not in bypass
mode.
Analog input for the clock generator when
the oscillator is in bypass mode.
I/O
A(1)
—56
72
T7
1.
For analog pads, it is not recommended to enable IBE if APC is enabled to avoid extra current in middle range voltage.



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