VR4102 datasheet(75/701 Pages) NEC

75 / 701 page

CHAPTER 2 PIN FUNCTIONS

Table 2-15. Status of Pins upon Reset (3/3)

Signal

When

reset by

RTCRST

When reset by

Deadman’s

Switch or RSTSW

During

Suspend

mode

During Hibernate

mode or when shut

down by HAL timer

During

bus

hold

KPORT[7..0]

ðð

KSCAN[11..0]/

GPIO[43..32]

Note 1

Hi-Z

Note 2

Hi-Z

Note 3

AUDIOOUT

Note 2

Note 3

TPX[1..0]

Hi-Z

Note 2

Note 3

TPY[1..0]

Hi-Z

Note 2

Hi-Z

Note 3

ADIN[2..0]

ðð

AUDIOIN

ðð

GPIO[14..0]

Hi-Z

Note 2

Hi-Z

Note 3

IRING

ðð

ILCSENSE

ðð

OFFHOOK

Note 4

Hi-Z

Note 2

Hi-Z

Note 2

MUTE

Note 4

Hi-Z

Note 2

Hi-Z

Note 2

AFERST#

Note 4

Note 2

SDI

ðð

SDO

Note 2

HSPSCLK

ðð

TELCON

Note 4

Hi-Z

Note 2

Hi-Z

Note 2

HC0

Note 4

Note 2

HSPMCLK

Note 4

Note 2

OPD#

Note 2

LEDOUT#

Note 3

DBUS32/

GPIO[48]

Note 5

Hi-Z

Note 2

Hi-Z

Note 2

GPIO[49]

Note 5

Hi-Z

Note 2

Hi-Z

Note 2

Notes 1.

This pin can be switched by software between function-pin and output-port uses.

The state at the previous Fullspeed mode is retained.

Normal operations are performed.

Be sure to set the BSC bit (DI) of the HSPINT register (0x0C00 0020) to 1 during initialization.

After RTC reset is canceled, this signal functions as an output port.

Remark

0: outputs low level, 1: outputs high level, Hi-Z: high-impedance

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