參數(shù)資料
型號(hào): ST72371
廠商: 意法半導(dǎo)體
英文描述: 8-Bit MCUs with 16K ROM/OTP/EPROM, 512 Bytes RAM, ADC, DAC (PWM), Timer, IIC and SCI(8位微控制器(8M))
中文描述: 8 - 16K的光碟/雙層/存儲(chǔ)器,512字節(jié)RAM,ADC和DAC的器(PWM),定時(shí)器,IIC和脊髓損傷(8位微控制器(8米)位MCU)
文件頁數(shù): 26/94頁
文件大?。?/td> 642K
代理商: ST72371
26/94
ST72371/ST72372
I/O PORTS
(Cont’d)
Figure 15
.
I/O Block Diagram
Table 8. Port Mode Configuration
Configuration Mode
Floating
Pull-up
Push-pull
True Open Drain
Open Drain (logic level)
Legend
:
0 -
1 -
present, not activated
present and activated
Notes
:
– No OR Register on some ports (see register map).
– ADC Switch on ports with analog alternate functions.
DR
LATCH
DDR
LATCH
D
DR SEL
DDR SEL
V
DD
PAD
ANALOG
SWITCH
ANALOG ENABLE
(ADC)
M
U
X
ALTERNATE
ENABLE
ALTERNATE
ENABLE
ALTERNATE ENABLE
1
C
ALTERNATE
OUTPUT
M
U
X
ALTERNATE INPUT
PULL-UP (S
EE
T
ABLE BELOW
)
P-BUFFER
(S
EE
T
ABLE
B
ELOW
)
N-BUFFER
0
1
0
OR
LATCH
OR SEL
PULL-UP
CONDITION
GND
(S
EE
T
ABLE BELOW
)
(S
EE
N
OTE BELOW
)
CMOS
SCHMITT TRIGGER
OR EXTERNAL INTERRUPT REQUEST
Pull-up
0
1
0
not present
not present
P-buffer
0
0
1
not present
0
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