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ST10F269Z1Q6 Fiches technique(PDF) 63 Page - STMicroelectronics

No de pièce ST10F269Z1Q6
Description  16-BIT MCU WITH MAC UNIT, 128K to 256K BYTE FLASH MEMORY AND 12K BYTE RAM
PDF  184 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F269Z1Q6 Fiches technique(HTML) 63 Page - STMicroelectronics

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ST10F269
12 - PARALLEL PORTS
63/184
12.3 - PORT0
The two 8-bit ports P0H and P0L represent the
higher and lower part of PORT0, respectively.
Both halves of PORT0 can be written (via a PEC
transfer) without effecting the other half.
If this port is used for general purpose I/O, the
direction of each line can be configured via the
corresponding
direction
registers
DP0H
and
DP0L.
P0L (FF00h / 80h)
SFR
Reset Value: --00h
P0H (FF02h / 81h)
SFR
Reset Value: --00h
DP0L (F100h / 80h)
ESFR
Reset Value: --00h
DP0H (F102h / 81h)
ESFR
Reset Value: --00h
15
14
13
12
11
10
9876543210
--------
P0L.7 P0L.6 P0L.5 P0L.4 P0L.3 P0L.2 P0L.1 P0L.0
RW
RW
RW
RW
RW
RW
RW
RW
15
14
13
12
11
10
9876543210
--------
P0H.7 P0H.6 P0H.5 P0H.4 P0H.3 P0H.2 P0H.1 P0H.0
RW
RW
RW
RW
RW
RW
RW
RW
P0X.y
Port Data Register P0H or P0L Bit y
15
14
13
12
11
10
9
8
76543
210
--------
DP0L.7
DP0L.6
DP0L.5
DP0L.4
DP0L.3
DP0L.2
DP0L.1
DP0L.0
RW
RW
RW
RW
RW
RW
RW
RW
15
14
13
12
11
10
9
8
76543
210
--------
DP0H.7 DP0H.6 DP0H.5 DP0H.4 DP0H.3 DP0H.2 DP0H.1 DP0H.0
RW
RW
RW
RW
RW
RW
RW
RW
DP0X.y
Port Direction Register DP0H or DP0L Bit y
DP0X.y = 0: Port line P0X.y is an input (high-impedance)
DP0X.y = 1: Port line P0X.y is an output



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