参数资料
型号: MC68HC11D3CFB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQFP44
封装: QFP-44
文件页数: 35/131页
文件大小: 1640K
代理商: MC68HC11D3CFB
MC68HC11D3
PIN DESCRIPTIONS
MOTOROLA
TECHNICAL DATA
2-1
SECTION 2
PIN DESCRIPTIONS
The MC68HC11D3 is available packaged as a 40-pin dual in-line package (DIP), a 44-
pin plastic leaded chip carrier (PLCC), or a 44-pin quad flat pack (QFP). Most pins on
this MCU serve two or more functions, as described in the following paragraphs. Refer
to Figure 2-1 and Figure 2-2, which shows the MC68HC11D3 pin assignments.
Figure 2-1 Pin Assignments for 44-Pin PLCC
PC4/ADDR4
PC5/ADDR5
PC6/ADDR6
PC7/ADDR7
XIRQ/VPP
PD7/R/W
PD6/AS
RESET
IRQ
PD0/RxD
PD1/TxD
PB2/ADDR10
PB3/ADDR11
PB4/ADDR12
PB5/ADDR13
PB6/ADDR14
PB7/ADDR15
NC
PA0/IC3
PA1/IC2
PC3/ADDR3
PC2/ADDR2
PC1/ADDR1
PC0/ADDR0
V
SS
EV
SS
XTAL
EXTAL
E
MODA/
LIR
MODB/V
STBY
PD2/MISO
PD3/MOSI
PD4/SCK
PD5/
SS
V
DD
PA7/PA
I/OC1
PA6/OC
2
/OC1
PA5/OC3/OC1
PA4/OC4/OC1
PA3/IC4/OC5/OC1
PA2/IC1
7
8
9
10
11
12
13
14
15
16
37
36
35
34
33
32
31
30
29
18
19
20
21
22
23
24
25
26
27
28
6
5
4
3
2
1
44
43
42
41
40
17
PB1/ADDR9
38
PB0/ADDR8
39
MC68HC(7)11D3
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