Lucent Technologies MN10285K Laptop User Manual


 
General Description
Bus Interface
MN102H75K/F75K/85K/F85K LSI User Manual Panasonic Semiconductor Development Company
35
Panasonic
1.7 Bus Interface
1.7.1 Description
The bus interface operates in external extension mode. Figure 1-15 provides the
memory space for the MCU in this mode.
Figure 1-15 Memory Space in External Extension Mode
External devices
Internal RAM
(8192 bytes
(*3)
)
Peripheral registers
External devices
Internal masked ROM
(256 Kbytes
(*1)
)
External devices
Expandable up to 16 MB
Reset start
External Expansion Mode
x'FFFFFF'
x'200000'
x'400000'
x'800000'
x'C00000'
x'0C0000'
(*2)
x'080000'
x'010000'
x'00FC00'
x'00A000'
(*4)
x'008000'
x'000000'
External memory space 0 (CS0 signal):
MN102H75K
*1
256 Kbytes
*2
x'0C0000'
*3
8192 bytes
*4
x'00A000'
External memory space 1
(CS1 signal)
External memory space 2
(CS2 signal)
External memory space 3
(CS3 signal)
Cannot be accessed.
IR remote signal receive
I
2
C
OSD
CCD0
CCD1
H counter
PWM