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tms470r1a6480-pinpnpackage(topview)
SPI1ENA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PLLDIS
TDI
TDO
TCK
HET[8]
V
SSIO
V
CCIO
CLKOUT
CANSRX
CANSTX
SCI1CLK
SCI1TX
SCI1RX
V
SS
V
CC
ADEVT
ADIN[6]
ADIN[4]
ADIN[2]
ADIN[0]
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80 TRST
测试
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
HET[7]
HET[6]
HET[4]
HET[2]
V
CCP
FLTP2
V
CC
V
SS
HET[0]
V
SS
TMS2
TMS
V
SSAD
V
CCAD
AD
REFLO
AD
REFHI
ADIN[8]
ADIN[12]
ADIN[10]
ADIN[14]
gioa[0]/int0
(一个)
gioa[1]/eclk/int1
SCI2RX
SCI2TX
HET[24]
C2SIaLPN
C2SIaTX
C2SIaRX
V
SS
V
CC
SPI2CLK
SPI2SIMO
SPI2SOMI
SPI2ENA
HET[22]
HET[20]
HET[18]
AWD
SPI1SCS
SPI1SIMO
SPI1SOMI
SPI1CLK
V
SS
OSCOUT
OSCIN
V
CC
RST
VSSIO
VCCIO
HET[16]
HET[14]
HET[12]
PORRST
gioa[7]/int7
gioa[6]/int6
gioa[5]/int5
gioa[4]/int4
60
59
58
57
56
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54
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51
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49
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47
46
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描述
TMS470R1A64
16/32-bitriscflashmicrocontroller
SPNS099–NOVEMBER2004
一个.gioa[0]/int0(pin23)isaninput-onlygiopin.
TheTMS470R1A64
(1)
deviceisamemberofthetexasinstrumentstms470r1xfamilyofgen-
eral-purpose16/32-bitreducedinstructionsetcomputer(risc)微控制器.thea64microcontrolleroffers
highperformanceutilizingthehigh-speedarm7tdmi16/32-bitrisccentralprocessingunit(cpu),resultingin
ahighinstructionthroughputwhilemaintaininghighcodeefficiency.thearm7tdmi16/32-bitrisccpuviews
memoryasalinearcollectionofbytesnumberedupwardsfrom0.thetms470r1a64utilizesthebig-endian
format,wherethemostsignificantbyteofawordisstoredatthelowestnumberedbyteandtheleastsignificant
byteatthehighestnumberedbyte.
高-endembeddedcontrolapplicationsdemandmoreperformancefromtheircontrollerswhilemaintaininglow
costs.thea64risccorearchitectureofferssolutionstotheseperformanceandcostdemandswhile
maintaininglowpowerconsumption.
thea64devicecontainsthefollowing:
•
arm7tdmi16/32-bitrisccpu
•
tms470r1xsystemmodule(sys)with470+enhancements
•
64k-byteflash
•
4k-bytesram
(1)throughouttheremainderofthisdocument,thetms470r1a64devicewillbereferredtoaseitherthefulldevicename,tms470r1a64,
orasa64.
2
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