st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 61

• Manufacturer Part Number: st10f269z1
• Description: St10f269 16-bit Mcu With Mac Unit, 256k Byte Flash Memory And 12k Byte Ram
• Manufacturer: STMicroelectronics

ST10F269
The table lists the defined POCON registers and the allocation of control bit-fields and port pins.
Table 18 : Port Control Register Allocation
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)
POCON0L
POCON0H
POCON1L
POCON1H
POCON2
POCON3
POCON4
POCON6
POCON7
POCON8
PN0EC
PN0DC
PN1EC
PN1DC
15
-
Register
Control
14
-
13
-
Physical
Address
F08Ah
F08Ch
F08Eh
F080h
F082h
F084h
F086h
F088h
F090h
F092h
RD, WR Edge Characteristic (rise/fall time)
00:
01:
10:
11:
RD, WR Driver Characteristic (output current)
00:
01:
10:
11:
ALE Edge Characteristic (rise/fall time)
00:
01:
10:
11:
ALE Driver Characteristic (output current)
00:
01:
10:
11:
12
-
Fast edge mode, rise/fall times depend on the size of the driver.
Slow edge mode, rise/fall times ~60 ns
Reserved
Reserved
High Current mode:
Driver always operates with maximum strength.
Dynamic Current mode:
Driver strength is reduced after the target level has been reached.
Low Current mode:
Driver always operates with reduced strength.
Reserved
Fast edge mode, rise/fall times depend on the size of the driver.
Slow edge mode, rise/fall times ~60 ns
Reserved
Reserved
High Current mode:
Driver always operates with maximum strength.
Dynamic Current mode:
Driver strength is reduced after the target level has been reached.
Low Current mode:
Driver always operates with reduced strength.
Reserved
11
-
Address
8-bit
40h
41h
42h
43h
44h
45h
46h
47h
48h
49h
10
-
P3.15, 3.13, 3.12
9
-
P2.15...12
3
8
-
ESFR
7
PN1DC
RW
P2.11...8
P3.11...8
6
Controlled Port Nibble
2
5
PN1EC
RW
4
12 - PARALLEL PORTS
P0H.7...4
P1H.7...4
P0L.7...4
P1L.7...4
P2.7...4
P3.7...4
P4.7...4
P6.7...4
P7.7...4
P8.7...4
1
3
PN0DC
RW
Reset Value: --00h
2
P0H.3...0
P1H.3...0
P0L.3...0
P1L.3...0
P2.3...0
P3.3...0
P4.3...0
P6.3...0
P7.3...0
P8.3...0
1
PN0EC
0
RW
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0