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ST10F269-T3 Datasheet

  • ST10F269-T3

  • 16-BIT MCU WITH MAC UNIT, 256K BYTE FLASH MEMORY AND 12K BYT...

  • 1513.42KB

  • 160页

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST10F269-T3
The table lists the defined POCON registers and the allocation of control bit-fields and port pins.
Table 14 :
Port Control Register Allocation
Control
Register
POCON0L
POCON0H
POCON1L
POCON1H
POCON2
POCON3
POCON4
POCON6
POCON7
POCON8
Physical
Address
F080h
F082h
F084h
F086h
F088h
F08Ah
F08Ch
F08Eh
F090h
F092h
8-bit
Address
40h
41h
42h
43h
44h
45h
46h
47h
48h
49h
P2.15...12
P3.15, 3.13, 3.12
P2.11...8
P3.11...8
Controlled Port Nibble
3
2
1
P0L.7...4
P0H.7...4
P1L.7...4
P1H.7...4
P2.7...4
P3.7...4
P4.7...4
P6.7...4
P7.7...4
P8.7...4
0
P0L.3...0
P0H.3...0
P1L.3...0
P1H.3...0
P2.3...0
P3.3...0
P4.3...0
P6.3...0
P7.3...0
P8.3...0
Dedicated Pins Output Control
Programmable pad drivers also are supported for the dedicated pins ALE, RD and WR. For these pads,
a special POCON20 register is provided.
POCON20 (F0AAh / 55h)
15
-
14
-
13
-
12
-
11
-
10
-
9
-
ESFR
8
-
7
RW
6
5
RW
4
3
PN1DC
PN1EC
Reset Value: --00h
2
RW
1
RW
0
PN0DC
PN0EC
PN0EC
RD, WR Edge Characteristic (rise/fall time)
00:
Fast edge mode, rise/fall times depend on the size of the driver.
01:
Slow edge mode, rise/fall times ~60 ns
10:
Reserved
11:
Reserved
RD, WR Driver Characteristic (output current)
00:
High Current mode:
Driver always operates with maximum strength.
01:
Dynamic Current mode:
Driver strength is reduced after the target level has been reached.
10:
Low Current mode:
Driver always operates with reduced strength.
11:
Reserved
ALE Edge Characteristic (rise/fall time)
00:
Fast edge mode, rise/fall times depend on the size of the driver.
01:
Slow edge mode, rise/fall times ~60 ns
10:
Reserved
11:
Reserved
ALE Driver Characteristic (output current)
00:
High Current mode:
Driver always operates with maximum strength.
01:
Dynamic Current mode:
Driver strength is reduced after the target level has been reached.
10:
Low Current mode:
Driver always operates with reduced strength.
11:
Reserved
59/160
PN0DC
PN1EC
PN1DC

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