H8SSLASH2218 datasheet(615/750 Pages) RENESAS

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Section 17 Flash Memory (F-ZTAT Version)

Rev.6.00 Jun. 03, 2008 Page 567 of 698

REJ09B0074-0600

17.6

On-Board Programming Modes

When pins are set to on-board programming mode and a reset-start is executed, a transition is

made to the on-board programming state in which program/erase/verify operations can be

performed on the on-chip flash memory. There are two on-board programming modes: boot mode

and user program mode. The pin settings for transition to each of these modes are shown in table

17.3. For a diagram of the transitions to the various flash memory modes, see figure 17.2.

Table 17.3

Setting On-Board Programming Modes

Mode

EMLE

FWE

MD2

MD1

MD0

SCI boot mode

(HD64F2218,

HD64F2212,

HD64F2211)

Advanced: single-chip mode

24 MHz system clock

USB boot mode

(HD64F2218U,

HD64F2212U,

HD64F2211U)

Advanced: single-chip mode

16 MHz system clock

User program mode

Advanced: on-chip ROM

extended mode

(MCU operating mode 6)

Advanced: Single-chip mode

(MCU operating mode 7)

17.6.1

SCI Boot Mode (HD64F2218, HD64F2212, and HD64F2211)

When a reset-start is executed after the LSI's pins have been set to boot mode, the boot program

built into the LSI is started and the programming control program prepared in the host is serially

transmitted to the LSI via the SCI. In the LSI, the programming control program received via the

SCI is written into the programming control program area in on-chip RAM. After the transfer is

completed, control branches to the start address of the programming control program area and the

programming control program execution state is entered (flash memory programming is

performed). The system configuration in boot mode is shown in figure 17.7.

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