E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 753

• Manufacturer Part Number: E62655RUSB
• Description: EMULATOR BASE H8S/2655R W/USB
• Manufacturer: Renesas Electronics America
• Type: Microcontrollerr

Specifications of E62655RUSB

• Contents: E6000 Emulator Unit and 4 Logic Probes
• For Use With/related Products: H8S/2655R
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

19.3
The on-chip ROM is connected to the CPU by a 16-bit data bus, and both byte and word data can
be accessed in one state. Even addresses are connected to the upper 8 bits, and odd addresses to
the lower 8 bits. Word data must start at an even address.
The on-chip ROM is enabled and disabled by setting the mode pins (MD
EAE in BCRL. These settings are shown in table 19.2.
In normal mode, a maximum of 56 kbytes of ROM can be used.
Table 19.2 Operating Modes and ROM Area
Note:
Operating Mode
Mode 1 Normal expanded mode with
Mode 2 Normal expanded mode with
Mode 3 Normal single-chip mode
Mode 4 Advanced expanded mode with
Mode 5 Advanced expanded mode with
Mode 6
Mode 7 Advanced single-chip mode
* 128 kbytes in the H8S/2655, 64 kbytes in the H8S/2653
on-chip ROM disabled
on-chip ROM enabled
on-chip ROM disabled
on-chip ROM disabled
Advanced expanded mode with
on-chip ROM enabled
Operation
In H8/2655 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.
MD2
0
1
Mode Pin
MD1
0
1
0
1
Rev. 5.00 Sep 14, 2006 page 723 of 1060
MD0
1
1
0
1
0
1
0
BCRL
EAE
—
—
—
0
1
0
1
2
, MD
On-Chip ROM
Disabled
Enabled
(56 kbytes)
Disabled
Enabled *
Enabled (64 kbytes)
Enabled *
Enabled (64 kbytes)
1
, and MD
REJ09B0331-0500
Section 19 ROM
0
) and bit