32182 datasheet(159/755 Pages) RENESAS

Part #	32182

Description	32-BIT RISC SINGLE-CHIP MICROCOMPUTER M32R FAMILY / M32R/ECU SERIES

PDF	755 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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159 / 755 page

6-24

INTERNAL MEMORY

32182 Group User’s Manual (Rev.1.0)

END

Read any address of the internal flash

memory (Note 2) to check for

programming error (see Figure 6.4.2)

START

Write the Verify command (H'D0D0)

to the last even address of the flash

memory block to be protected

Write the Lock Bit Program command

(H'7777) to any address of the

internal flash memory

Lock bit is programmed

by Lock Bit Program (Note 1)

Wait for 1 µs

(using a hardware or software timer)

FSTAT bit = 1

TIME OUT?

0.5s

YES

Forcibly terminated

(see Figure 6.4.3.)

YES

Note 1: When a programming operation started, the internal flash memory is automatically readied to run the Read Status

command, so that there is no need to enter the Read Status command until another command is entered.

Note 2: Inspect the Flash Status Register 2 ERASE (erase status), WRERR1 (write status 1) and WRERR2 (write status 2)

bits to check for programming error.

Figure 6.5.9 Lock Bit Program Command

6.5 Programming the Internal Flash Memory

32182 Datasheet(PDF) 159 Page - Renesas Technology Corp