SH7014 datasheet(712/754 Pages) RENESAS

712 / 754 page

Appendix A On-Chip Supporting Module Registers

Rev.5.00 Sep. 27, 2007 Page 678 of 716

REJ09B0398-0500

FLASH

Flash Memory Control Register 1 (FLMCR1)

H'FFFF8580

Bit

Item

Bit name

FWE

SWE

ESU

PSU

Initial value

1/0

R/W

Bit

Name

Value

Description

When a low level is input to the FWP pin

(hardware-protected state)

Flash Write Enable Bit (FWE)

When a high level is input to the FWP pin

Writes disabled

(initial value)

Software Write Enable Bit (SWE)

Writes enabled

Setting condition: When FWE = 1

Erase setup cleared

(initial value)

Erase Setup Bit (ESU)

Erase setup

Setting condition: When FWE = 1 and SWE = 1

Program setup cleared

(initial value)

Program Setup Bit (PSU)

Program setup

Setting condition: When FWE = 1 and SWE = 1

Erase-verify mode cleared

(initial value)

Erase-Verify (EV)

Transition to erase-verify mode

Program-verify mode cleared

(initial value)

Program-Verify (PV)

Transition to program-verify mode

Setting condition: When FWE = 1 and SWE = 1

Erase mode cleared

(initial value)

Erase (E)

Transition to erase mode

Setting condition: When FWE = 1, SWE = 1, and ESU

= 1

Program mode cleared

(initial value)

Program (P)

Transition to program mode

Setting condition: When FWE = 1, SWE = 1, and PSU

= 1

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