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ST10F280 Datasheet(PDF) 104 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) 104 Page - STMicroelectronics

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Parallel ports
ST10F280
104/239
Doc ID 8673 Rev. 3
P1H
Address:
0xFF06h / 83h SFR
Reset:
0x--00h
Type:
R/W
DP1L
Address:
0xF104h / 82h ESFR
Reset:
0x--00h
Type:
R/W
DP1H
Address:
0xF106h / 83h ESFR
Reset:
0x--00h
Type:
R/W
12.3.1
Alternate functions of Port 1
When a de-multiplexed external bus is enabled, PORT1 is used as address bus.
Note that de-multiplexed bus modes use PORT1 as a 16-bit port. Otherwise all 16 port lines
can be used for general purpose I/O.
The upper four pins of PORT1 (P1H.7...P1H.4) also serve as capture input lines for the
CAPCOM2 unit (CC27IO...CC24IO).
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
---
--
---
P1H.7 P1H.6 P1H.5 P1H.4
P1L.3 P1H.2 P1H.1 P1H.0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
P1X.y Port data register P1H or P1L bit y
15
14
13
12
11
10
9
8
7
65432
10
--------
DP1L.7 DP1L.6 DP1L.5 DP1L.4 DP1L.3 DP1L.2 DP1L.1 DP1L.0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
15
14
13
12
11
10
9
8
7
65432
10
--------
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
DP1X.y Port direction register DP1H or DP1L bit y
DP1X.y = 0: Port line P1X.y is an input (high-impedance)
DP1X.y = 1: Port line P1X.y is an output



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