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參數資料
型號: MC68HC05BD5
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁數: 22/112頁
文件大小: 676K
代理商: MC68HC05BD5
MOTOROLA
2-2
MC68HC05BD3
PIN DESCRIPTION AND I/O PORTS
2
2.2
Pin Assignments
PC6/PWM14/VTTL,
PC7/PWM15/HTTL
32, 33
33, 34
These two port C I/O lines are shared with the PWM and Sync Signal
Processor. Configuration for use are set by the Configuration
register 1 ($0A) and Configuration register 2 ($0B).
These two port D I/O lines are shared with the M-Bus lines SDA and
SCL. When configured as M-Bus lines in Configuration
register 2 ($0B), these pins become +5V open-drain pins.
PD0/SDA,
PD1/SCL
24, 25
25, 26
PWM0 to PWM7
3-1, 38-34
3-1, 40-38, 36,
35
These eight pins are dedicated for the 8-bit PWM channel 0 to 7.
HSYNC, VSYNC
39, 40
41, 42
These two pins are for video sync signals input from the host
computer. The polarity of the input signals can either be positive or
negative. These two pins contain internal Schmitt triggers as part of
their inputs to improve noise immunity
Figure 2-1
Pin Assignment for 40-pin DIP Package
PIN NAME
40-pin DIP
PIN No.
42-pin SDIP
PIN No.
DESCRIPTION
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PWM2
PWM1
PWM0
RESET
VDD
VSS
XTAL
EXTAL
PB5
PB4
PB3
PB2
PB1
PB0
IRQ/VPP
PA7
PA6
PA5
PA4
PA3
VSYNC
HSYNC
PWM3
PWM4
PWM5
PWM6
PWM7
PC7/PWM15/HTTL
PC6/PWM14/VTTL
PC5/PWM13
PC4/PWM12
PC3/PWM11
PC2/PWM10
PC1/PWM9
PC0/PWM8
PD1/SCL
PD0/SDA
PA0
PA1
PA2
TPG
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