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ST10F280 Datasheet(PDF) 201 Page - STMicroelectronics

Part # ST10F280
Description  16-bit MCU with MAC unit, 512 Kbyte Flash memory and 18 Kbyte RAM
PDF  239 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F280 Datasheet(HTML) 201 Page - STMicroelectronics

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ST10F280
Special function register overview
Doc ID 8673 Rev. 3
201/239
EXICON
Address:
0xF1C0h / E0h ESFR
Reset:
0x0000h
Type:
R/W
EXISEL
Address:
0xF1DAh / EDh ESFR
Reset:
0x0000h
Type:
R/W
CLKSEL
System Clock Selection
000: f
CPU = 2.5 x fOSC
001: f
CPU = 0.5 x fOSC
010: f
CPU = 10 x fOSC
011: f
CPU = fOSC
100: f
CPU = 5 x fOSC
101: f
CPU = 2 x fOSC
110: f
CPU = 3 x fOSC
111: f
CPU = 4 x fOSC
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
EXI7ES
EXI6ES
EXI5ES
EXI4ES
EXI3ES
EXI2ES
EXI1ES
EXI0ES
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
EXIxES(x=7...0)
External Interrupt x Edge Selection Field (x=7...0)
00: Fast external interrupts disabled: standard mode
EXxIN pin not taken in account for entering/exiting Power Down mode.
01: Interrupt on positive edge (rising)
Enter Power Down mode if EXiIN = ‘0’, exit if EXxIN = ‘1’ (referred as ‘high’ active
level)
10: Interrupt on negative edge (falling)
Enter Power Down mode if EXiIN = ‘1’, exit if EXxIN = ‘0’ (referred as ‘low’ active
level)
11: Interrupt on any edge (rising or falling)
Always enter Power Down mode, exit if EXxIN level changed.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
EXI7SS
EXI6SS
EXI5SS
EXI4SS
EXI3SS
EXI2SS
EXI1SS
EXI0SS
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
EXIxSS External Interrupt x Source Selection (x=7...0)
00: Input from associated Port 2 pin.
01: Input from “alternate source”.
10: Input from Port 2 pin ORed with “alternate source”.
11: Input from Port 2 pin ANDed with “alternate source”.



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