參數(shù)資料
型號(hào): MC68HC05L25PB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP52
封裝: TQFP-52
文件頁數(shù): 113/152頁
文件大?。?/td> 897K
代理商: MC68HC05L25PB
Port B
MC68HC05L25 Data Sheet, Rev. 3.1
Freescale Semiconductor
63
7.3.5 I/O Pin Truth Tables
Table 7-7 and Table 7-8 summarize the input or output and LCD mode programming for port B.
Table 7-7. PB0–PB3/FP24–FP21 I/O Pin Functions
DDR
Output
Latch
LCDCR
PBEL
BWOML
RBL
I/O Pin Modes
Access to
DDRB0–
DDRB3
Access to Data
Register Latch PB0–PB3
Read/Write
Read
Write
X
0
X
0
LCD FP Output
DDRB0–DDRB3
0
Latch2
XX
0
X
1
LCD FP Output,
Pullup3
DDRB0–DDRB3
0
Latch2
0
X
1
X
0
Port IN, Hi-Z
DDRB0–DDRB3
Pin
Latch2
0
X
1
X
1
Port IN, Pullup
DDRB0–DDRB3
Pin
Latch2
1
X
1
0
X
OUT, CMOS
DDRB0–DDRB3
Latch
Latch, Pin
1
0
1
X
OUT, OD
DDRB0–DDRB3
Latch
Latch, Pin
1
0
OUT, OD, Hi-Z
DDRB0–DDRB3
Latch
Latch, Pin
1
OUT, OD, Pullup
DDRB0–DDRB3
Latch
Latch, Pin
1. X is don’t care state.
2. Does not affect input, but is stored to data register latch
3. Do not turn on pullup R (RBL = 1) when using these pins as LCD ports.
Table 7-8. PB4–PB7/FP20–FP17 I/O Pin Functions
DDR
Output
Latch
LCDCR
PBEH
BWOMH
RBH
I/O Pin Modes
Access to
DDRB4–
DDRB7
Access to Data
Register Latch PB4–PB7
Read/Write
Read
Write
X
0
X
0
LCD FP Output
DDRB4–DDRB7
0
Latch2
XX
0
X
1
LCD FP Output,
Pullup3
DDRB4–DDRB7
0
Latch2
0
X
1
X
0
Port IN, Hi-Z
DDRB4–DDRB7
Pin
Latch2
0
X
1
X
1
Port IN, Pullup
DDRB4–DDRB7
Pin
Latch2
1
X
1
0
X
OUT, CMOS
DDRB4–DDRB7
Latch
Latch, Pin
1
0
1
X
OUT, OD
DDRB4–DDRB7
Latch
Latch, Pin
1
0
OUT, OD, Hi-Z
DDRB4–DDRB7
Latch
Latch, Pin
1
OUT, OD, Pullup
DDRB4–DDRB7
Latch
Latch, Pin
1. X is don’t care state.
2. Does not affect input, but is stored to data register latch
3. Do not turn on pullup R (RBH = 1) when using these pins as LCD ports.
相關(guān)PDF資料
PDF描述
MC68HC05LJ5P 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP16
MC68HC05M4CFN 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC52
MC68HC05M4MFN 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC52
MC68HC05P1ADWR2 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HSC05P1ADWR2 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC05L28 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
MC68HC05L28B 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Flexible general-purpose microcomputer
MC68HC05L2B 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
MC68HC05L2CB 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
MC68HC05L6 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:8-Bit Microcomputer with Liquid Crystal Driver Circuitry