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ST7SCR_07 Datasheet, PDF (8/101 Pages) STMicroelectronics – 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER
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ST7SCR
Pin n°
Pin Name
26
PD3
27
PD4
28
PD5
29
PD6
30
PD7
31 11 14 OSCIN
32 12 15 OSCOUT
33
VDD
34
GND
35
PC0/WAKUP1
36
PC1/WAKUP1
37
PC2/WAKUP1
38
PC3/WAKUP1
39
PC4/WAKUP1
40
PC5/WAKUP1
41
PC6/WAKUP1
42
PC7/WAKUP1
43 16 VPP
13 GND
44 14 17 PA6
45 15 18 LED0
46 16 19 DM
47 17 20 DP
48
NC
49 18 21 USBVCC
50 19 22 VDDA
51 20 23 VDD
52
LED1
53
LED2
54
LED3
55
NC
56
NC
Level
Port / Control
Input Output
Main
Function
(after reset)
Alternate Function
O
CT
O
CT
O
CT
O
CT
O
CT
CT
CT
S
S
I CT
I CT
I CT
I CT
I CT
I CT
I CT
I CT
S
S
I CT
O
HS
I/O CT
I/O CT
O
CT
S
S
O
HS
O
HS
O
HS
X X Port D3 1)
X X Port D4 1)
X X Port D5 1)
X X Port D6 1)
X X Port D7 1)
Input/Output Oscillator pins. These pins connect a
4MHz parallel-resonant crystal, or an external source
to the on-chip oscillator.
Power Supply voltage 4V-5.5V
XX
XX
XX
XX
XX
XX
XX
XX
Ground
PC0 1)
External interrupt
PC1 1)
External interrupt
PC2 1)
External interrupt
PC3 1)
External interrupt
PC4 1)
External interrupt
PC5 1)
External interrupt
PC6 1)
External interrupt
PC7 1)
External interrupt
Flash programming voltage. Must be held low in nor-
mal operating mode.
Must be held low in normal operating mode.
PA6
X
Constant Current Output
USB Data Minus line
USB Data Plus line
Not Connected
3.3 V Output for USB
power Supply voltage 4V-5.5V
power Supply voltage 4V-5.5V
X
Constant Current Output
X
Constant Current Output
X
Constant Current Output
Not Connected
Not Connected
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