The Programming Method; Initialization; Mode Description; Table 6.1 The Mode And Operation - Toshiba TXZ Reference Manual

6. The programming method

Initialization

Before performing programming/erasing operation to a code flash or a data flash, must be oscillate a internal high
speed oscillator1 (IHOSC1). And. Please operate flash memory after oscillation start and check
[CGOSCCR]<IHOSC1F>=1. Please refer to the reference manual "Clock Control and Operation Mode" for detail.

Mode Description

This device provides single chip mode and single boot mode. The single chip mode contains normal mode and
user boot mode. Please refer to Table 6.1 for detail.
Mode
"The programming/erasing program code for a flash memory" can be downloaded from the host to
Single boot
on-chip RAM via a communication function, and the "The programming/erasing program for a flash
Mode
memory" can be run.
Single chip Normal
Mode Mode
2018-06-05

Table 6.1 The mode and operation

After reset is released, The program of the Boot ROM (mask ROM) which is build-in will be start.
Please refer to "6.6. How to Reprogram the Flash in Single Boot Mode".
A user's application program is run. Moreover, a on-chip flash memory can be
program/erase a "flash memory programming/erasing program" in RAM.
Although it can be operated to all the flash memory to build in, the application
program of the user on a flash memory cannot be run during flash memory
programming/erasing.
When only code flash (FLASH I/F 0) is built-in, only this mode is available.
Please refer to "6.5How to Reprogramming the Flash" for how to program/erase a
flash memory.
The on-chip flash memory which is different area can be erasing and
programming, and running a user's application program concurrently. In case of
Dual
built-in two or more the FLASH I/F of a code flash or data flash are available.
Mode
Please refer to "6.7How to Reprogramming using Dual Mode" for how to
program/erase a flash memory.
Operation
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TXZ Family
Flash Memory
Rev. 2.0