參數(shù)資料
型號(hào): ST72321BR7T3
廠商: STMICROELECTRONICS
元件分類(lèi): 微控制器/微處理器
英文描述: MICROCONTROLLER, QFP64
封裝: 14 X 14 MM, ROHS COMPLIANT, LQFP-64
文件頁(yè)數(shù): 35/187頁(yè)
文件大?。?/td> 3071K
代理商: ST72321BR7T3
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ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
13/187
Notes:
1. In the interrupt input column, “eiX” defines the associated external interrupt vector. If the weak pull-up
column (wpu) is merged with the interrupt column (int), then the I/O configuration is pull-up interrupt input,
else the configuration is floating interrupt input.
2. In the open drain output column, “T” defines a true open drain I/O (P-Buffer and protection diode to VDD
ISTICS for more details.
3. OSC1 and OSC2 pins connect a crystal/ceramic resonator, or an external source to the on-chip oscil-
more details.
4. On the chip, each I/O port may have up to 8 pads:
– Pads that are not bonded to external pins are forced by hardware in input pull-up configuration after re-
set. The configuration of these pads must be kept at reset state to avoid added current consumption.
5.
Pull-up always activated on PE2 see limitation Section 15.1.8.
6.
It is mandatory to connect all available VDD and VREF pins to the supply voltage and all VSS and VSSA
pins to ground.
48
33
-
VSS_1
S
Digital Ground Voltage
49
34
17
PA4 (HS)
I/O CT HS
X
XX
X
Port A4
50
35
-
PA5 (HS)
I/O CT HS
X
XX
X
Port A5
51
36
18
PA6 (HS)/SDAI
I/O CT HS
X
TPort A6
I2C Data 1)
52
37
19
PA7 (HS)/SCLI
I/O CT HS
X
TPort A7
I2C Clock 1)
53
38
20
VPP/ ICCSEL
I
Must be tied low. In flash program-
ming mode, this pin acts as the pro-
gramming voltage input VPP. See
Section 12.9.2 for more details. High
voltage must not be applied to ROM
devices
54
39
21
RESET
I/O CT
Top priority non maskable interrupt.
55
-
EVD
External voltage detector
56
-
TLI
I
CT
X
Top level interrupt input pin
57
40
22
VSS_2
S
Digital Ground Voltage
58
41
23
OSC23)
I/O
Resonator oscillator inverter output
59
42
24
OSC13)
I
External clock input or Resonator os-
cillator inverter input
60
43
25
VDD_2
S
Digital Main Supply Voltage
61
44
26
PE0/TDO
I/O CT
X
X
Port E0
SCI Transmit Data Out
62
1
27
PE1/RDI
I/O CT
X
X
Port E1
SCI Receive Data In
63
-
PE2
I/O CT
X
X5) X5) Port E2
64
-
PE3
I/O CT
X
XX
X
Port E3
Pin n°
Pin Name
Type
Level
Port
Main
function
(after
reset)
Alternate function
LQFP64
LQFP44
LQFP32
Input
Output
Input
Output
fl
oat
wpu
int
ana
OD
PP
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