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VR4102 Scheda tecnica(PDF) 78 Page - NEC

Il numero della parte VR4102
Spiegazioni elettronici  64/32-bit Microprocessor
PDF  701 Pages
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Produttore elettronici  NEC [NEC]
Homepage  http://www.nec.com/
Logo NEC - NEC

VR4102 Scheda tecnica(HTML) 78 Page - NEC

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CHAPTER 2 PIN FUNCTIONS
78
Table 2-16. Connection of Unused Pins and Pin I/O Circuit Type (3/3)
Signal
Internal
processing
External
processing
Drive
capability
I/O circuit type
KPORT[7..0]
Schmitt, Pull down
ðð
F
KSCAN[11..0]/
GPIO[43..32]
Note 1
ðð
40 pF
A
AUDIOOUT
ð
Note 2
ð
G
TPX[1..0]
ðð
120 pF or more
C
TPY[1]
ðð
120 pF or more
D
TPY[0]
ðð
120 pF or more
C
ADIN[2..0]
ðð
ð
E
AUDIOIN
ðð
ð
E
GPIO[14..13]
ð
Pull up
Pull down
40 pF
A
GPIO[12..9]
Schmitt
Pull up
Pull down
40 pF
B
GPIO[8..5]
ð
Pull up
Pull down
40 pF
A
GPIO[4..0]
Schmitt
Pull up
Pull down
40 pF
B
IRING
Schmitt
Pull down
ð
B
ILCSENSE
ð
Pull down
ð
A
OFFHOOK
Note 3
ðð
40 pF
A
MUTE
Note 3
ðð
40 pF
A
AFERST#
Note 3
ðð
40 pF
A
SDI
ð
Pull up
Pull down
ð
A
FS
ð
Pull up
Pull down
ð
A
SDO
ðð
40 pF
A
HSPSCLK
ðð
ð
A
TELCON
Note 3
ðð
40 pF
A
HC0
Note 3
ðð
40 pF
A
HSPMCLK
Note 3
ðð
40 pF
A
OPD#
ðð
40 pF
A
LEDOUT#
ðð
40 pF
A
DBUS32/
GPIO[48]
Note 4
ð
Pull up
Pull down
40 pF
A
GPIO[49]
Note 4
ð
Pull down
ð
A
Notes 1.
This pin can be switched by software between function-pin and output-port uses.
2.
Connect an operation amplifier which has high-impedance input characteristics, since the output level
of AUDIOOUT pin varies according to the external impedance.
3.
Be sure to set BSC bit (DI) of the HSPINT register (0x0C00 0020) to 1 during initialization.
4.
After RTC reset is canceled, this signal functions as an output port.



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