upd78f0114hgb-8es-a Renesas Electronics Corporation., upd78f0114hgb-8es-a Datasheet - Page 91
upd78f0114hgb-8es-a
Manufacturer Part Number
upd78f0114hgb-8es-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0114HGB-8ES-A.pdf
(505 pages)
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4.3 Registers Controlling Port Function
(1) Port mode registers (PM0, PM1, PM3, PM6, PM7, and PM12)
Symbol
PM12
Port functions are controlled by the following three types of registers.
PM0
PM1
PM3
PM6
PM7
These registers specify input or output mode for the port in 1-bit units.
These registers can be set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets these registers to FFH.
When port pins are used as alternate-function pins, set the port mode register and output latch as shown in Table
4-4.
Port mode registers (PM0, PM1, PM3, PM6, PM7, PM12)
Port registers (P0 to P3, P6, P7, P12, P13)
Pull-up resistor option registers (PU0, PU1, PU3, PU7, PU12)
PM17
PMmn
7
1
7
7
1
7
1
7
1
7
1
0
1
Output mode (output buffer on)
Input mode (output buffer off)
PM16
6
1
6
6
1
6
1
6
1
6
1
PM15
5
1
5
5
1
5
1
5
1
5
1
Figure 4-16. Format of Port Mode Register
PM14
4
1
4
4
1
4
1
4
1
4
1
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16961EJ4V0UD
PM13
PM33
PM63
PM73
3
1
3
3
3
3
3
1
(m = 0, 1, 3, 6, 7, 12; n = 0 to 7)
Pmn pin I/O mode selection
PM12
PM32
PM62
PM72
2
1
2
2
2
2
2
1
PM01
PM11
PM31
PM61
PM71
1
1
1
1
1
1
1
PM120
PM00
PM10
PM30
PM60
PM70
0
0
0
0
0
0
Address
FF2CH
FF20H
FF21H
FF23H
FF26H
FF27H
After reset
FFH
FFH
FFH
FFH
FFH
FFH
R/W
R/W
R/W
R/W
R/W
R/W
R/W
91
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