HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 580
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HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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17.8
When pins are set to an on-board programming mode, they enter an on-board programming status
in which program, erase, and 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 17.14. For a diagram of the transitions to
the various flash memory modes, see figure 17.8.
Table 17.14 Setting On-Board Programming Modes
Mode Name
Boot mode
User program
mode *
Notes: 1. Normally, user mode (modes 6 and 7) should be used. Set FWE to 1 to make a
568
1
2. Refer to “17.4, Notes on Programming and Erasing Flash Memory” for information on
On-Board Programming Modes
Mode
transition to user program mode (modes 14 and 15) before performing a
program/erase/verify operation.
programming and clearing FWE.
Mode 10
Mode 11
Mode 14
Mode 15
CPU Operating Mode
Advanced expanded mode with
on-chip ROM enabled
Advanced single-chip mode
Advanced expanded mode with
on-chip ROM enabled
Advanced single-chip mode
FWE
1
1*
2
MD
0
1
2
MD
1
1
1
MD
0
1
0
1
0
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