HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 618

• Manufacturer Part Number: HD6432160
• Description: Hitachi 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 2.0, 08/02, page 578 of 788
On-board programming/erasing can be done in boot mode in which the boot program built into
the chip is started for erase or programming of the entire flash memory. In user program mode,
individual blocks can be erased or programmed.
Automatic bit rate adjustment
With data transfer in boot mode, this LSI's bit rate can be automatically adjusted to match the
transfer bit rate of the host.
Programming/erasing protection
Sets protection against flash memory programming/erasing via hardware, software, or error
protection.
Programmer mode
In addition to on-board programming mode, programmer mode is supported to program or
erase the flash memory using a PROM programmer.
Boot mode
User program mode
Legend
FLMCR1
FLMCR2
EBR1
EBR2
Figure 23.1 Block Diagram of Flash Memory
FLMCR1
FLMCR2
EBR1
EBR2
: Flash memory control register 1
: Flash memory control register 2
: Erase block register 1
: Erase block register 2
Internal data bus (16 bits)
Internal address bus
Bus interface/controller
(64/128/256 kbytes)
Flash memory
Operating
mode
Mode pin