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ST72371 데이터시트(PDF) 26 Page - STMicroelectronics

부품명 ST72371
상세설명  8-BIT MCUs WITH 16K ROM/OTP/EPROM,512 BYTES RAM, ADC, DAC (PWM), TIMER, I2C AND SCI
PDF  94 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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ST72371 데이터시트(HTML) 26 Page - STMicroelectronics

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ST72371/ST72372
I/O PORTS (Cont’d)
Figure 15
. I/O Block Diagram
Table 8. Port Mode Configuration
Legend:
0 -
present, not activated
1 -
present and activated
Notes:
– No OR Register on some ports (see register map).
– ADC Switch on ports with analog alternate functions.
DR
DDR
LATCH
LATCH
DR SEL
DDR SEL
VDD
PAD
ANALOG
SWIT CH
ANALOG ENABLE
(ADC)
M
U
X
ALTERNATE
ALTERNATE
ALTERNATE ENABLE
ALTERNATE
M
U
X
ALTERNATE INPUT
PULL-UP (SEE TABLE BELOW)
OUTPUT
P-BUFFER
(SEE TABLE BELOW)
N-BUFFER
1
0
1
0
OR
LATCH
OR SEL
PULL-UP
CONDITION
ENABLE
ENABLE
GND
(SEE TABLE BELOW)
(SEE NOTE BELOW)
CMOS
SCHMITT TRIGGER
OR EXTERNAL INTERRUPT REQUEST
Configu ration Mode
Pull-up
P-buffer
Floating
0
0
Pull-up
1
0
Push-pull
0
1
True Open Drain
not present
not present
Open Drain (logic level)
not present
0



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