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3 input/output pins – Renesas SH7641 User Manual

Page 215

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Section 6 Power-Down Modes

Rev. 4.00 Sep. 14, 2005 Page 165 of 982

REJ09B0023-0400

• Manual-on reset

1. A low signal is input to the

RESETM pin.

2. The WDT counter overflows if WDT starts counting while the WT/

IT and RSTS bits of the

WTCSR are set to 1.

6.1.3 Input/Output

Pins

Table 6.2 lists the pins used for the power-down modes.

Table 6.2

Pin Configuration

Pin Name

Symbol

I/O

Description

Processing state 1

STATUS1

Processing state 0

STATUS0

Output Indicates

the

operational state of this LSI.

HH: Manual reset

HL: Sleep mode

LH: Standby mode

LL: Normal operation

Power-on reset

RESETP

Input

Inputting low level signal to this pin cause a transition
to power-on reset processing.

Manual reset

RESETM

Input

Inputting low level signal to this pin cause a transition
to manual reset processing.

Note: H and L indicate high and low levels, respectively. STATUS1 and STATUS0 indicate the pin

status in this order. To use this pin as the STATUS pin, a PFC setting is required. For
details on this, see section 22, Pin Function Controller (PFC).

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