SH7721 datasheet(97/1524 Pages) RENESAS

97 / 1524 page

Section 1

Overview

Rev. 3.00

Jan. 18, 2008

Page 35 of 1458

REJ09B0033-0300

Classification

Symbol

I/O

Name

Function

AUDATA3 to

AUDATA0

AUD data

Destination-address output pin in

branch-trace mode

AUDCK

AUD clock

Synchronous clock output pin in

branch-trace mode

Advanced user

debugger

(AUD)

AUDSYNC

AUD

synchronous

signal

Data start-position acknowledge-

signal output pin in branch-trace

mode

ASEBRKAK

ASE break

mode

acknowledge

Indicates that the E10A emulator

has entered its break mode.

E10A interface

ASEMD0

ASE mode

Sets ASE mode.

Notes: 1. All Vcc/Vss/VccQ/VssQ/VccQ1/VssQ1/AVcc/AVss/AVcc_USB/AVss_USB/VccQ_RTC/

Vcc_RTC/Vss_RTC/Vcc_PLL1/Vss_PLL1/Vcc_PLL2/Vss_PLL2 should be connected to

the system power supply (so that power is supplied at all times.) In hardware standby

mode, the power supply to other than Vcc_RTC and VccQ_RTC can be turned off

(section 13.8).

2. Always supply power to the Vcc_RTC and VccQ_RTC, even if the RTC is not being

used.

3. Always supply power to the Vcc_PLL1 and Vcc_PLL2, even if the PLL is not being

used.

4. Drive

ASEMD0 high when using the user system alone, and not using an emulator or

the H-UDI. When this pin is low or open,

RESETP may be masked.

5. Drivability can be switched by the register settings of the pin function controller (PFC).

When 3.3 V is applied to VccQ1, set the drivability low. When 1.8 V is applied to

VccQ1, set the drivability high.

6. SDHI associated pins support only for the models including the SDHI.

SH7721 Datasheet(PDF) 97 Page - Renesas Technology Corp

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