HD64F2134 datasheet(13/1061 Pages) RENESAS

13 / 1061 page

Rev. 4.00 Jun 06, 2006 page xiii of liv

Item

Page

Revision (See Manual for Details)

797

Table 25.49 amended

Item

Symbol

Min

Typ

Max

Unit

Test

Condition

Reprogramming count

WEC

100*

10000*

—

Times

Data retention time*

DRP

—

Years

25.5.6 Flash Memory

Characteristics

Table 25.49 Flash

Memory Characteristics

(Programming/Erasing

Operating Range)

798

Notes 8 to 10 added

Notes: 8. Minimum number of times for which all

characteristics are guaranteed after rewriting (Guarantee

range is 1 to minimum value).

9. Reference value for 25C

° (as a guide line, rewriting should

normally function up to this value).

10. Data retention characteristics when rewriting is performed

within the specification range, including the minimum value.

B.3 Function

906

SYSCR2 H'FF83 HIF

Figure amended

KWUL1

R/W

KWUL0

R/W

P6PUE

R/W

—

SDE

R/W

HI12E

R/W

CS4E

R/W

CS3E

R/W

Bit

Initial value

Read/Write

Host interface enable

Host interface function

disabled

Host interface function

enabled

CS3 enable

Host interface pin channel 3

functions disabled

Host interface pin channel 3

functions enabled

CS4 enable

Host interface pin channel 4

functions disabled

Host interface pin channel 4

functions enabled

907

EBR1, 2 H'FF82, H'FF83 Flash memory

Note

*2 amended

Note: 2. Bits EB8 and EB9 are not present in the 64-kbyte

versions; these bits cannot be modified and are always read

as 0.

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