HD6432138SW datasheet(674/1061 Pages) RENESAS

674 / 1061 page

Section 21 ROM (Mask ROM Version, H8S/2138 F-ZTAT, H8S/2134 F-ZTAT, and H8S/2132 F-ZTAT)

Rev. 4.00 Jun 06, 2006 page 620 of 1004

REJ09B0301-0400

21.10.8

Status Polling

• The FO7 status polling flag indicates the operating status in auto-program or auto-erase mode.

• The FO6 status polling flag indicates a normal or abnormal end in auto-program or auto-erase

mode.

Table 21.20 Status Polling Output Truth Table

Pin Names

Internal Operation

in Progress

Abnormal End

—

Normal End

FO7

FO6

FO0 to FO5

21.10.9

Programmer Mode Transition Time

Commands cannot be accepted during the oscillation stabilization period or the programmer mode

setup period. After the programmer mode setup time, a transition is made to memory read mode.

Table 21.21 Command Wait State Transition Time Specifications

Item

Symbol

Min

Max

Unit

Standby release

(oscillation stabilization time)

osc1

—

PROM mode setup time

bmv

—

CC hold time

dwn

—

VCC

RES

Memory read

mode

Command wait

state

Command reception

Command

wait state

Normal/

abnormal end

identification

Auto-program mode

Auto-erase mode

tosc1

tbmv

tdwn

Don't care

Figure 21.23 Oscillation Stabilization Time, Programmer Mode Setup Time,

and Power Supply Fall Sequence

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