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VR4102 데이터시트(PDF) 77 Page - NEC

부품명 VR4102
상세설명  64/32-bit Microprocessor
PDF  701 Pages
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제조업체  NEC [NEC]
홈페이지  http://www.nec.com/
Logo NEC - NEC

VR4102 데이터시트(HTML) 77 Page - NEC

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CHAPTER 2 PIN FUNCTIONS
77
Table 2-16. Connection of Unused Pins and Pin I/O Circuit Type (2/3)
Signal
Internal
processing
External
processing
Drive
capability
I/O circuit type
HLDRQ#
Note 1
Note 2
ð
A
HLDACK#
ðð
40 pF
A
RTCX1
ð
Resonator
ðð
RTCX2
ð
Resonator
ðð
CLKX1
ð
Resonator
ðð
CLKX2
ð
Resonator
ðð
FIRCLK
ð
Note 3
ð
A
BATTINH/
BATTINT#
Schmitt
ðð
B
MPOWER
ðð
40 pF
A
POWERON
ðð
40 pF
A
POWER
Schmitt
ðð
B
RSTSW#
Schmitt
ðð
B
RTCRST#
Schmitt
ðð
B
RxD
ðð
ð
A
TxD/CLKSEL[2]
ð
Pull up
Pull down
40 pF
A
RTS#/CLKSEL[1]
ð
Pull up
Pull down
40 pF
A
CTS#
ðð
ð
A
DCD#/GPIO[15]
ð
Pull up
ð
A
DTR#/CLKSEL[0]
ð
Pull up
Pull down
40 pF
A
DSR#
ðð
ð
A
IRDIN
ð
Pull up
ð
A
IRDOUT#
ðð
40 pF
A
FIRDIN#/SEL
ð
Pull up
Pull down
40 pF
A
DDIN/
GPIO[45]
Note 4
ðð
40 pF
A
DDOUT/
GPIO[44]
Note 4
ðð
40 pF
A
DRTS#/
GPIO[46]
Note 4
ðð
40 pF
A
DCTS#/
GPIO[47]
Note 4
ðð
40 pF
A
Notes 1. Intermediate-level input is enabled when the MPOWER pin is set for low-level output.
2. When the bus hold function is used : Pull up.
When the bus hold function is not used : Connect to VDD.
3. When FIR unit is used : Attach an oscillator.
When FIR unit is not used : Connect to VDD.
4. This pin can be switched by software between function-pin and output-port uses.



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