140
CHAPTER 9 I/O PORT
9.9
Port B
Port B is a general-purpose I/O port.
This section focuses on functions as a general-purpose I/O port.
See the chapters on each peripheral function for details about peripheral functions.
■
Port B Configuration
Port B is made up of the following elements.
•
General-purpose I/O pins/peripheral function I/O pins
•
Port B data register (PDRB)
•
Port B direction register (DDRB)
•
Input level selection register(ILSR3)
■
Port B Pins
Port B has eight I/O pins.
Table 9.9-1 lists the port B pins.
OD: Open drain, PU: Pull-up
Table 9.9-1 Port B Pins
Pin name
Function
Shared peripheral functions
I/O type
Input
Output OD PU
PB0/SEG00/
TPCLK/
CALPL
PB0 general-purpose I/O
SEG00 LCDC SEG0 output
Hysteresis/Automotive
CMOS/
LCD
-
-
TPCLK RTC TPCLK clock
output
CALPL RTC external
reference clock input
PB1/SEG01
PB1 general-purpose I/O
SEG01 LCDC SEG1 output
Hysteresis/Automotive
CMOS/
LCD
-
-
PB2/SEG02
PB2 general-purpose I/O
SEG02 LCDC SEG2 output
Hysteresis/Automotive
CMOS/
LCD
-
-
PB3/SEG03
PB3 general-purpose I/O
SEG03 LCDC SEG3 output
Hysteresis/Automotive
CMOS/
LCD
-
-
PB4/SEG04
PB4 general-purpose I/O
SEG04 LCDC SEG4 output
Hysteresis/Automotive
CMOS/
LCD
-
-
PB5/SEG05
PB5general-purpose I/O
SEG05 LCDC SEG5 output
Hysteresis/Automotive
CMOS/
LCD
-
-
PB6/SEG06
PB6 general-purpose I/O
SEG06 LCDC SEG6 output
Hysteresis/Automotive
CMOS/
LCD
-
-
PB7/SEG07
PB7 general-purpose I/O
SEG07 LCDC SEG7 output
Hysteresis/Automotive
CMOS/
LCD
-
-
Содержание F2 MC-8FX Family
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Страница 30: ...16 CHAPTER 1 DESCRIPTION 1 FPT 64P M23 FPT 64P M24 2 For the I O circuit type refer to 1 8 I O Circuit Type ...
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Страница 35: ...21 CHAPTER 2 HANDLING DEVICES This chapter gives notes on using 2 1 Device Handling Precautions ...
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Страница 39: ...25 CHAPTER 3 MEMORY SPACE This chapter describes memory space 3 1 Memory Space 3 2 Memory Map ...
Страница 43: ...29 CHAPTER 4 MEMORY ACCESS MODE This chapter describes the memory access mode 4 1 Memory Access Mode ...
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Страница 105: ...91 CHAPTER 8 INTERRUPTS This chapter explains the interrupts 8 1 Interrupts ...
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Страница 482: ...468 CHAPTER 25 LOW VOLTAGE DETECTION RESET CIRCUIT ...
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Страница 564: ...550 CHAPTER 29 EXAMPLE OF SERIAL PROGRAMMING CONNECTION ...
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