CT-161-CD Fujitsu Semiconductor America Inc, CT-161-CD Datasheet - Page 14

• Manufacturer Part Number: CT-161-CD
• Description: KIT 16LX FOR MB90F387
• Manufacturer: Fujitsu Semiconductor America Inc
• Series: F²MC-16LXr
• Type: MCUr

Specifications of CT-161-CD

• Contents: Board, Cable, CD
• For Use With/related Products: MB90F387S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 865-1103

14
MB90385 Series
1. Memory allocation of MB90385
2. Memory map
Note : When internal ROM is operating, F
MEMORY MAP
MB90385 series allows specifying a memory access mode “single chip mode.”
MB90385 series model has 24-bit wide internal address bus and up to 24-bit bus of external address bus.
A maximum of 16 Mbyte memory space of external access memory is accessible.
00 bank. This function is called “mirroring ROM,” which allows effective use of C compiler small model.
F
table in ROM without specifying “far” using pointer.
For example, when accessing to “00C000
ROM area of FF bank exceeds 48 Kbytes, viewing all areas is not possible on 00 bank image. Because ROM
data of “FF4000
“FF4000
2
MC-16LX assigns the same low order 16-bit address to FF bank and 00 bank, which allows referencing
* : On MB90387/S or MB90F387/S, to read “FE0000
“FF0000
H
” to “FFFFFF
Address #1
H
0 0 0 0 0 0
0 0 0 0 C 0
0 0 0 1 0 0
0 0 3 8 0 0
0 0 4 0 0 0
0 1 0 0 0 0
F E 0 0 0 0
F F 0 0 0 0
F F F F F F
H
” to “FFFFFF
” to “FFFFFF
H
.”
H
H
H
H
H
H
H
H
H
: Internal access memory
: Access disallowed
H
H
” is viewed on “004000
”.
(with ROM mirroring
(FF bank image)
function enabled)
Extension IO
2
RAM area
ROM area*
Peripheral
ROM area
ROM area
MC-16LX allows viewing ROM data image on FF bank at upper-level of
Register
area
H
”, ROM data at “FFC000
H
MB90V495G
MB90F387/S
” to “00FFFF
MB90387/S
Model
H
” to “FEFFFF
H
” is accessed actually. However, because
H
” image, store a ROM data table in area
Address #1
001900
000900
000900
H
” is to read out
H
H
H