upd78f0148m1gka1-9eu Renesas Electronics Corporation., upd78f0148m1gka1-9eu Datasheet - Page 112
upd78f0148m1gka1-9eu
Manufacturer Part Number
upd78f0148m1gka1-9eu
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0148M1GKA1-9EU.pdf
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4.3
(1) Port mode registers (PM0, PM1, PM3 to PM7, PM12, and PM14)
112
Symbol
PM12
PM14
Port functions are controlled by the following three types of registers.
• Port mode registers (PM0, PM1, PM3 to PM7, PM12, PM14)
• Port registers (P0 to P7, P12 to P14)
• Pull-up resistor option registers (PU0, PU1, PU3 to PU7, PU12, PU14)
PM0
PM1
PM3
PM4
PM5
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
4-5.
Registers Controlling Port Function
PM17
PM47
PM57
PM67
PM77
PMmn
7
1
7
7
1
7
7
7
7
7
1
7
1
0
1
PM06
PM16
PM46
PM56
PM66
PM76
Output mode (output buffer on)
Input mode (output buffer off)
6
6
6
1
6
6
6
6
6
1
6
1
PM145
PM05
PM15
PM45
PM55
PM65
PM75
5
5
5
1
5
5
5
5
5
1
5
Figure 4-26. Format of Port Mode Register
PM144
PM04
PM14
PM44
PM54
PM64
PM74
4
4
4
1
4
4
4
4
4
1
4
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15947EJ3V1UD
PM143
PM03
PM13
PM33
PM43
PM53
PM63
PM73
3
3
3
3
3
3
3
3
1
3
(m = 0, 1, 3 to 7, 12, 14; n = 0 to 7)
Pmn pin I/O mode selection
PM142
PM02
PM12
PM32
PM42
PM52
PM62
PM72
2
2
2
2
2
2
2
2
1
2
PM141
PM01
PM11
PM31
PM41
PM51
PM61
PM71
1
1
1
1
1
1
1
1
1
1
PM120
PM140
PM00
PM10
PM30
PM40
PM50
PM60
PM70
0
0
0
0
0
0
0
0
0
Address
FF2CH
FF2EH
FF20H
FF21H
FF23H
FF24H
FF25H
FF26H
FF27H
After reset
FFH
FFH
FFH
FFH
FFH
FFH
FFH
FFH
FFH
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
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