參數資料
型號： 79RC64575
廠商： Integrated Device Technology, Inc.
英文描述： Advanced 64-bit Microprocessors Product Family
中文描述： 高級的64位微處理器產品系列
文件頁數： 13/28頁
文件大?。?/td> 399K
代理商： 79RC64575
13 of 28
December 14, 2001
79RC64574 79RC64575
RC64574 Socket Compatibility to RC64474 & RC4640
The RC64574/575 is 100% pin compatible with the RC64474/475 with the supply voltage being the only difference. RC64474/475 requires a 3.3V
supply, while RC64574/575 requires a 2.5V supply.
To ensure socket compatibility between the RC64574/RC64474 and the RC4640 devices, several pin changes are required, as shown in the tables
below.
Note:
The RC64574/575 are 2.5V parts and as such all Vcc must be at the correct voltage for a given part.
RC64575 Socket Compatibility to RC64475 & RC4650
Pin
RC4640
RC64574/
RC64474
Compatible to
RV4640
Comments
1
N.C
JTAG32*
Yes
Pin has an internal pull-down, to enable 32-bit scan.
Can also be left a N.C.
48
V
ss
TDO
Yes
Can be driven with V
ss
, if JTAG is not needed. Is tristated when
TRst* is low.
49
V
ss
TMS
Yes
Can be driven with V
ss
if JTAG is not needed.
50
V
ss
TCK
Yes
Can be driven with V
ss
if JTAG is not needed.
51
V
ss
TRst*
Yes
Can be driven with V
ss
if JTAG is not needed.
52
V
ss
TDI
Yes
Can be driven with V
ss
if JTAG is not needed.
71
N.C.
JR_V
cc
Yes
Can be left N.C. in RC64574, if JTAG is not need. If JTAG is
needed, it must be driven to V
cc
.
Table 8 RC64574 Socket Compatibility to RC64474 and R4640
Pin
RV4650
32-bit
RC64575
32-bit
RC64475
32-bit
RV4650
64-bit
RC64575
64-bit
RC64475
64-bit
Compatible to
RV4650
Comments
53
N.C.
JTAG32*
No Connect
JTAG32*
Yes
In 32-bit, this pin can be left uncon-
nected because of internal pull-down.
In 64-bit, this assumes that JTAG will
not be used. If using JTAG, this pin
must be at V
cc
.
150
N.C.
JR_V
cc
No Connect
JR_V
cc
Yes
In RC64475, can be left a N.C, if
JTAG is not need. If JTAG is needed,
it must be driven to V
cc
.
180
N.C.
TDI
No Connect
TDO
Yes
If JTAG is not needed, can be left a
N.C.
181
N.C.
TRsT*
No Connect
TRsT*
Yes
If JTAG is not needed, can be left a
N.C.
182
N.C.
TCK
No Connect
TCK
Yes
If JTAG is not needed, can be left a
N.C.
183
N.C.
TMS
No Connect
TMS
Yes
If JTAG is not needed, can be left a
N.C.
184
N.C.
TDO
No Connect
TDIO
Yes
If JTAG is not needed, can be left a
N.C.
Table 9 RC64575 Socket Compatibility to RC64475 & RC4650
相關PDF資料
PDF描述
A-1001E SINGLE DIGIT DISPLAY
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A-811Y SINGLE DIGIT DISPLAY
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相關代理商/技術參數
參數描述
79RC64T574-200DZ 制造商:Integrated Device Technology Inc 功能描述:MPU RC64574 RISC 64-Bit 200MHz 3.3V 128-Pin PQFP
79RC64T574-250DZ 制造商:Integrated Device Technology Inc 功能描述:MPU RC64574 RISC 64-Bit 250MHz 3.3V 128-Pin PQFP
79RC64T575-200DP 制造商:Integrated Device Technology Inc 功能描述:MPU RC64575 RISC 64-Bit 200MHz 3.3V 208-Pin PQFP
79RC64T575-250DP 制造商:Integrated Device Technology Inc 功能描述:MPU RC64575 RISC 64-Bit 250MHz 3.3V 208-Pin PQFP 制造商:IDT from Components Direct 功能描述:64BIT EMBEDDED MICROPROCESSOR RC64575 RISC 250MHZ - Trays 制造商:IDT 功能描述:IDT 79RC64T575-250DP, 64Bit Embedded Microprocessor RC64575 RISC 250MHz 3.3V 208-Pin PQFP
79RC64V474-180DZ 制造商:Integrated Device Technology Inc 功能描述:MPU RC4000 RISC 64-Bit 180MHz 3.3V 128-Pin PQFP 制造商:IDT from Components Direct 功能描述:79RC64V474-180DZ, 64BIT MICROPROCESSOR RC4000 RISC 180MHZ 3. - Trays 制造商:IDT 功能描述:IDT 79RC64V474-180DZ, 64Bit Microprocessor RC4000 RISC 180MHz 3.3V 128-Pin PQFP
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