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38K2 Datasheet(PDF) 259 Page - Renesas Technology Corp

Part # 38K2
Description  RENESAS 8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  358 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

38K2 Datasheet(HTML) 259 Page - Renesas Technology Corp

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2.14 Flash memory
Rev.2.00
Oct 15, 2006
page 110 of 112
38K2 Group
REJ09B0338-0200
APPLICATION
(2)
Control example in CPU rewrite mode
In this example, data is received by using serial I/O, and the data is programmed to the built-in flash
memory in the CPU rewrite mode.
Figure 2.14.8 shows an example of the reprogramming system for the built-in flash memory in the
CPU rewrite mode. Figure 2.14.9 shows the CPU rewrite mode beginning/release flowchart.
Fig. 2.14.8 Example of rewrite system for built-in flash memory in CPU rewrite mode
DVCC
PVCC
VCC
PVSS
VSS
RESET
CNVSS
SRDY(BUSY)
RXD
TXD
SCLK
Note 1: Apply 4.50 to 5.25 V to the VPP power source.
Clock input
BUSY output
Data input
Data output
VPP power source input
(Note 1)
P16(CE)
User reset signal
M38K29F8FP/HP
M38K29F8LFP/LHP



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