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ST72340 Datasheet(PDF) 8 Page - STMicroelectronics

No. de pieza ST72340
Descripción Electrónicos  8-BIT MCU WITH UP TO 16K FLASH MEMORY, 10-BIT ADC, TWO 16-BIT TIMERS, TWO I2C, SPI, SCI
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72340 Datasheet(HTML) 8 Page - STMicroelectronics

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PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to See “ELECTRICAL CHARACTERISTICS” on page 152.
Legend / Abbreviations for Table 1:
Type:
I = input, O = output, S = supply
Input level:
A = Dedicated analog input
In/Output level: CT= CMOS 0.3VDD/0.7VDD with input trigger
Output level:
HS = 20mA high sink (on N-buffer only)
Port and control configuration:
– Input:
float = floating, wpu = weak pull-up, int = interrupt 1), ana = analog
– Output:
OD = open drain 2), PP = push-pull
The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is
in reset state.
On the chip, each I/O port may have up to 8 pads. Pads that are not bonded to external pins are set in in-
put pull-up configuration after reset through the option byte Package selection. The configuration of these
pads must be kept at reset state to avoid added current consumption.
Table 1. Device Pin Description
Pin n°
Pin Name
Level
Port
Main
function
(after
reset)
Alternate Function
Input
Output
113 14
VDDA
S
Analog Supply Voltage
214 15
VSSA
S
Analog Ground Voltage
315 16
PF0/MCO/
AIN8
I/O CT
X
ei1
X
X
X
Port F0
Main clock out
(fOSC/2)
ADC Analog
Input 8
416 17
PF1 (HS)/
BEEP
I/O CT HS
X
ei1
X
X
Port F1
Beep signal output
17 18
PF2 (HS)
I/O CT HS
X
ei1
X
X
Port F2
518 19
PF4/
OCMP1_A/
AIN10
I/O CT
X
XX
X
X
Port F4
Timer A Output
Compare 1
ADC Analog
Input 10
619 20
PF6 (HS)/
ICAP1_A
I/O CT HS
X
X
X
X
Port F6
Timer A Input Capture 1
720 21
PF7 (HS)/
EXTCLK_A
I/O CT HS
X
X
X
X
Port F7
Timer A External Clock Source
-21 22
VDD_0
S
Digital Main Supply Voltage
-22 23
VSS_0
S
Digital Ground Voltage
823 24
PC0/
OCMP2_B/
AIN12
I/O CT
X
XX
X
X
Port C0
Timer B Output
Compare 2
ADC Analog
Input 12
924 27
PC1/
OCMP1_B/
AIN13
I/O CT
X
XX
X
X
Port C1
Timer B Output
Compare 1
ADC Analog
Input 13
10 25 28
PC2 (HS)/
ICAP2_B
I/O CT HS
X
X
X
X
Port C2
Timer B Input Capture 2


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