参数资料
型号: MC68HC05V7CFNR2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 136/170页
文件大小: 589K
代理商: MC68HC05V7CFNR2
MOTOROLA
SECTION 7: POWER SUPPLY AND REGULATION
Page 54
MC68HC05V7 Specification Rev. 1.0
Figure 7-7: HC705V8 Internal Power Routing
1) VDD to VSSD (pins 30 & 31): On-chip regulator output decoupling. As with any reg-
ulator, the output must be adequately decoupled to maintain stability of the regulator.
Decouple with at least 10 uF tantalum or aluminum electrolytic bulk in parallel with 0.1uF
ceramic or polystyrene capacitor for high frequency (HF) stability. Locate both capacitors
as close as possible to the VDD and VSSD pins, ensuring the HF capacitor is closest. The
two VSSD pins should be externally connected together.
REXT2
REXT1
V
IGN
V
DD
V
SSD
PD0/AN0
PE0/AN8
PE1/AN9
PE2/AN10
PE3/AN11
PD1/AN1
PD2/AN2
V
REFH
V
CCA
V
SSA1
V
REFL
N.C
.
N.C
.
IRQ
RST
OSC1
OSC2
V
DD
V
SSD
PWM
PA
7
PA
6
PA
5
PA
4
PA
3
PA
2
PA
1
PA
0
N.C
.
PF3/MISO
PF2/MOSI
PF1/SCLK
PF0/SS
PB0
PB1
PB2
PB3
PB4
PB5
PB6/TCMP
PB7/TCAP
VSSA2
LOAD
BUS
VPP
N.C.
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PE7/AN
PE6/AN
PE5/AN
PE4/AN
PD7/AN
PD6/AN
PD5/AN
PD4/AN
PD3/AN
Regulator
DLC
A/D
R
R ~ 40 ohns
Digital Logic
Blocks
68-pin PLCC package shown
9
8
7
6
5
4
3
2
1
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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