SH7080 Datasheet, PDF (1277/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 23 Flash Memory
Table 23.1 (1) Relationship between FWE and MD Pins and Operating Modes
(SH7083 and SH7084)
ROM
ROM
User
User
Reset Invalid Valid
Program Boot
Boot
Programmer
Pin
State
Mode Mode Mode Mode Mode Mode
RES
0
1
1
1
1
1
Setting value
FWE
0/1
0
0
1
1
1
depends on the
condition of the
MD0
0/1
0/1*¹
0/1*²
0/1*²
1
0
specialized
MD1
0/1
0
1
1
0
0
PROM
programmer.
Notes: 1. MD0 = 0: 8-bit external bus, MD0 = 1: 16-bit external bus
2. MD0 = 0: External bus can be used, MD0 = 1: Single-chip mode (external bus cannot
be used)
Table 23.1 (2) Relationship between FWE and MD Pins and Operating Modes
(SH7085 and SH7086)
ROM
ROM
User
User
Reset Invalid Valid
Program Boot
Boot
Programmer
Pin
State
Mode Mode Mode Mode Mode Mode
RES
0
1
1
1
1
1
Setting value
FWE
0/1
0
0
1
1
1
depends on the
condition of the
MD0
0/1
0/1*¹
0/1*²
0/1*²
1
0
specialized
MD1
0/1
0
1
1
0
0
PROM
programmer.
Notes: 1. MD0 = 0: 16-bit external bus, MD0 = 1: 32-bit external bus
2. MD0 = 0: External bus can be used, MD0 = 1: Single-chip mode (external bus cannot
be used)
Rev. 3.00 May 17, 2007 Page 1219 of 1582
REJ09B0181-0300