參數(shù)資料
型號(hào): MC68HC05P4A
廠商: Motorola, Inc.
英文描述: 28-pin MCU (microcontroller unit) based on the MC68HC05P4(28引腳、基于MC68HC05P4升級(jí)的8位微控制器單元)
中文描述: 28引腳單片機(jī)(微控制器)的基礎(chǔ)上MC68HC05P4(28引腳,基于MC68HC05P4升級(jí)的8位微控制器單元)
文件頁數(shù): 19/102頁
文件大小: 930K
代理商: MC68HC05P4A
General Description
Pin Assignments
MC68HC05P4A — Rev. 6.0
AdvanceInformation
MOTOROLA
General Description
19
1.6 Pin Assignments
The MC68HC05P4A pin assignments are shown in
Figure 1-2
.
Figure 1-2. Pin Assignments
1.7 Signal Description
The following paragraphs provide a description of the signals.
1.7.1 V
DD
and V
SS
Power is supplied to the microcontroller through V
DD
and V
SS
. V
DD
is the
power supply and V
SS
is ground.
1.7.2 IRQ
This pin has a mask option that provides two different choices of
interrupt triggering sensitivity. The IRQ pin contains an internal Schmitt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
26
28
V
DD
OSC1
OSC2
TCAP/PD7
TCMP
PD5
PC0
PC1
PC2
RESET
IRQ
PA7
PA5
PA4
PA3
PA2
PA1
PA0
PA6
15
16
17
18
19
20
SDO/PB5
SDI/PB6
SCK/PB7
V
SS
21
22
23
24
25
PC3
PC4
PC5
PC6
PC7
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