Prom Mode (H8S/2357 Ztat); Prom Mode Setting - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer
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Table 19-3 Operating Modes and ROM Area (ZTAT or Masked ROM, ROMless, Versions H8S/2398F-ZTAT)
Operating Mode
Mode 0
Mode 1
2
Mode 2*
2
Mode 3*
3
Mode 4*
Advanced expanded mode
with on-chip ROM disabled
3
Mode 5*
Advanced expanded mode
with on-chip ROM disabled
Mode 6
Advanced expanded mode
with on-chip ROM enabled
Mode 7
Advanced single-chip mode
Notes: 1. Modes 6 and 7, the on-chip ROM available after a power-on reset is the 64-kbyte area comprising addresses
H'000000 to H'00FFFF.
Since the on-chip ROM area differs according to each product, see section 3.5, Memory Map in Each Operating
Mode.
2. In the H8S/2398 F-ZTAT, modes 2 and 3 indicate boot mode. For details on boot mode of H8S/2398 F-ZTAT,
refer to table 19-35 in section 19.17, On-Board Programming Modes.
In addition, for details on user program mode, refer also to and 19-35 in section 19.17, On-Board Programming
Modes.
3. In ROMless version, only modes 4 and 5 are available.
19.4

PROM Mode (H8S/2357 ZTAT)

19.4.1

PROM Mode Setting

The PROM version of the H8S/2357 suspends its microcontroller functions when placed in PROM mode, enabling the on-
chip PROM to be programmed. This programming can be done with a PROM programmer set up in the same way as for
the HN27C101 EPROM (V
commercial PROM programmer.
Note that the PROM programmer should not be set to page mode as the H8S/2357 does not support page programming.
Table 19-4 shows how PROM mode is selected.
Table 19-4 Selecting PROM Mode
Rev.6.00 Oct.28.2004 page 566 of 1016
REJ09B0138-0600H
= 12.5 V). Use of a 120/128-pin to 32-pin socket adapter enables programming with a
PP
Pin Names
MD
, MD
, MD
2
1
0
STBY
PA
, PA
2
1
Mode Pin
MD2
MD1
MD0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
Setting
Low
High
BCRL
EAE
On-Chip ROM
Disabled
0
Enabled (128 kbytes)*
1
Enabled (64 kbytes)
0
Enabled (128 kbytes)*
1
Enabled (64 kbytes)
1
1

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