SH7058 Datasheet, PDF (878/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

Table 23.1 Relationship between FWE and MD Pins and Operating Modes
Mode
ROM
ROM
User
User
Program-
Reset
Invalid
Valid
Program Boot
Boot
mer
Pin
State
Mode
Mode
Mode
Mode
Mode
Mode
RES
0
1
1
1
1
1
1
FWE
0/1
MD0
0/1
0
0/1*¹
0
0/1*²
1
0/1*²
1
1
0/1
0/1*²
0/1*²
1
MD1
0/1
0
1
1
0
0
1
MD2
0/1
1
1
1
0
1
0
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)
Rev. 3.0, 09/04, page 837 of 1086