參數(shù)資料
型號: MC68HSC05J1ADW
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, PDSO20
封裝: SOIC-20
文件頁數(shù): 93/128頁
文件大?。?/td> 1650K
代理商: MC68HSC05J1ADW
Parallel Input/Output (I/O)
Port B
MC68HC05J1A — Rev. 3.0
Technical Data
Parallel Input/Output (I/O)
7.5 Port B
Port B is a 6-bit, general-purpose, bidirectional I/O port with
programmable pulldown devices.
7.5.1 Port B Data Register
The port B data register (PORTB) contains a bit for each of the port B
pins. When a port B pin is programmed to be an output, the state of its
data register bit determines the state of the output pin. When a port B pin
is programmed to be an input, reading the port B data register returns
the logic state of the pin.
PB5–PB0 — Port B Data Bits
These read/write bits are software programmable. Data direction of
each bit is under the control of the corresponding bit in the port B data
direction register.
Bits 7 and 6 — Not used
Bits 7 and 6 always read as logic 0s. Writes to these bits have no
effect.
Address:
$0001
Bit 7
6
54321
Bit 0
Read:
0
PB5
PB4
PB3
PB2
PB1
PB0
Write:
Reset:
Unaffected by reset
= Unimplemented
Figure 7-5. Port B Data Register (PORTB)
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
相關(guān)PDF資料
PDF描述
MC68HC05J1AP 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP20
MC68HCL05J1ADW 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
MC68HC05J3CP 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP20
MC68HC05J3CDW 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
MC68HC05J3P 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HSC705C8ACFB 制造商:Rochester Electronics LLC 功能描述:8 BIT MCU, 304 BYTES RAM - Bulk
MC68HSC705C8ACP 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述:
MC68HSC705C8ACS 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68HSC705J1ACDW 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68HSC705J1ACP 制造商:Rochester Electronics LLC 功能描述:8 BIT MCU, 64 BYTES RAM - Bulk