M
ELI
PR
.
.
tion hange
c
ifica
pec ject to
al s sub
a fin
e
not mits ar
is
i
This etric l
m
ice:
Not e para
Som
ARY
IN
MITSUBISHI MICROCOMPUTERS
M37920S4CGP
16-BIT CMOS MICROCOMPUTER
BASIC FUNCTION BLOCKS
The M37920S4CGP is the same functions as the M37920F8CGP
except for the following.
Therefore, refer to the datasheet of the M37920F8CGP.
• The M37920S4CGP does not include the internal flash memory.
• The M37920S4CGP operates only in the microprocessor mode.
• The M37920S4CGP does not have the flash memory control regis-
ter (address 9E
16
).
• Some of programmable I/O ports of the M37920S4CGP differ from
those of the M37920FGCGP.
MEMORY
Figure 1 shows the memory map.
000000
16
Bank 0
16
00FFFF
16
010000
16
Bank 1
16
01FFFF
16
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
000000
16
0000FF
16
000800
16
Peripheral devices
control registers
Interrupt vector table
00FFC0
16
DMA3
DMA2
DMA1
DMA0
Address matching detect
Internal RAM
2048 bytes
000FFF
16
001000
16
Reserved area
(Note 1)
Reserved area
(Note 1)
Reserved area
(Note 1)
00FFC0
16
00FFFF
16
INT
4
INT
3
A-D conversion
UART1 transmit
UART1 receive
UART0 transmit
UART0 receive
Timer B2
Timer B1
Timer B0
Timer A4
Timer A3
Timer A2
Timer A1
Timer A0
INT
2
INT
1
INT
0
NMI
Watchdog timer
DBC
(Note 2)
BRK instruction
(Note 2)
FE0000
16
Bank FE
16
FEFFFF
16
FF0000
16
Bank FF
16
FFFFFF
16
00FFFE
16
Zero divide
RESET
Notes 1:
Do not write to this address.
2:
These are interrupts used only for debugging. Do not use these interrupts.
Fig. 1 Memory map
6
RENESAS [ RENESAS TECHNOLOGY CORP ]
