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参数资料
| 型号： | ST10R172LT6 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, 50 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 14 MM, TQFP-100 |
| 文件页数： | 2/68页 |
| 文件大小： | 657K |
| 代理商： | ST10R172LT6 |
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10/68
ST10R172L - PIN DESCRIPTION
P2.8 –
P2.11
90 - 93
I/O
5T
Port 2 is a 4-bit bidirectional I/O port. It is bit-wise programma-
ble for input or output via direction bits. For a pin configured as
input, the output driver is put into high-impedance state. Port 2
outputs can be configured as push/pull or open drain drivers.
The following Port 2 pins have alternate functions:
90
I
5T
P2.8
EX0IN
Fast External Interrupt 0 Input
...
93
I
5T
P2.11
EX3IN
Fast External Interrupt 3 Input
P7.0 –
P7.3
94 - 97
I/O
5T
Port 7 is a 4-bit bidirectional I/O port. It is bit-wise programma-
ble for input or output via direction bits. For a pin configured as
input, the output driver is put into high-impedance state. Port
7outputs can be configured as push/pull or open drain drivers.
The following Port 7 pins have alternate functions:
97
O
5T
P7.3
POUT3
PWM (Channel 3) Output
RPD
40
I/O
5T
Input timing pin for the return from powerdown circuit and
power-up asynchronous reset.
VDD
7, 28,
38, 49,
69, 78
-
PO
Digital supply voltage.
VSS
4, 27,
39, 50,
70, 77
-
PO
Digital ground.
1) The following I/O kinds are used.
Refer to ELECTRICAL CHARACTERISTICS on
page 31 for a detailed description.
PO: Power pin
3T: 3 V tolerant pin (voltage max. respect to Vss is -0.5 to VDD + 0.5)
5V: 5 V tolerant pin (voltage max. respect to Vss is -0.5 to 5.5 only if chip is powered)
5S: 5 V tolerant and fail-safe pin (-0.5-5.5 max. voltage w.r.t. Vss even if chip is not pow-
ered).
Sy
mb
o
l
Pi
n
N
u
mb
e
r
(T
Q
F
P
)
In
p
u
t(I
)
Ou
tp
ut
(
O
)
Ki
n
d
1)
Fu
nc
ti
on
Table 1 Pin definitions
1
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