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VR4102 Datasheet(PDF) 269 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 269 Page - NEC

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CHAPTER 10 BCU (BUS CONTROL UNIT)
269
Figure 10-27. Bus Hold in Suspend Mode
(a) Transition to Bus Hold from Ordinary Operation
L
MasterOut(Internal)
HLDRQ#
HLDACK#
Note 1
Note 2
Note 3
BUSCLK
(b) Transition to Ordinary Operation from Bus Hold
L
MasterOut(Internal)
HLDRQ#
HLDACK#
Note 1
Note 2
Note 3
BUSCLK
Notes 1. UUCAS#/MRAS[3]#, ULCAS#/MRAS[2]#, MRAS[1..0]# (in 16-bit data bus mode)
MRAS[1..0]# (in 32-bit data bus mode)
2. UCAS#, LCAS# (in 16-bit data bus mode)
UUCAS#/MRAS#[3], ULCAS#/MRAS[2]#, UCAS#, LCAS# (in 32-bit data bus mode)
3. SHB#, IOR#, IOW#, MEMR#, MEMW#, RD#, WR#, ADD[25..0], DATA[15..0],
DATA[31..16]/GPIO[31..16] (in 32-bit data bus mode)
Remark
The dotted lines indicate high impedance.



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