參數(shù)資料
型號(hào)： M37920FGCHP
廠商： Mitsubishi Electric Corporation
英文描述： Single Chip 16 Bits CMOS Microcomputer(16位單片機(jī))
中文描述： 單片微機(jī)16位的CMOS（16位單片機(jī)）
文件頁數(shù)： 9/158頁
文件大?。?/td> 1261K
代理商： M37920FGCHP
9
M37920FCCGP, M37920FCCHP
M37920FGCGP, M37920FGCHP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
BASIC FUNCTION BLOCKS
These microcomputers contain the following devices on the single
chip: the flash memory, RAM, CPU, bus interface unit, and periph-
eral devices such as the interrupt control circuit, timers, serial I/O,
A-D converter, I/O ports, clock generating circuit, etc.
MEMORY
Figures 1 and 2 show the memory maps. The address space is 16
Mbytes from addresses 0
16
to FFFFFF
16
. The address space is di-
vided into 64-Kbyte units called banks. The banks are numbered
from 0
16
to FF
16
. Bank FF
16
is a reserved area for the development
support tool. Therefore, do not use bank FF
16
.
Internal flash memory and internal RAM are assigned as shown in
Figures 1 and 2.
Addresses FFC0
16
to FFFF
16
contain the RESET and the interrupt
vector addresses, and the interrupt vectors are stored there.
For details, refer to the section on interrupts.
Assigned to addresses 0
16
to FF
16
are peripheral devices such as
I/O ports, A-D converter, UART, timers, interrupt control registers,
DMA controoler, DRAM controller, etc.
For the flash memory in the boot ROM area, refer to the section on
the flash memory mode.
Fig. 1 Memory map of M37920FCCGP and M37920FCCHP (Single-chip mode)
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
Reserved area
Reserved area
Address matching detect
Reserved area
DMA0
DMA1
DMA2
DMA3
Interrupt vector table
Watchdog timer
DBC
BRK instruction
Zero divide
RESET
000000
16
Bank 0
16
FFFFFF
16
FE0000
16
00FFFF
16
010000
16
01FFFF
16
Bank FE
16
000000
16
0000FF
16
000800
16
00FFFE
16
00FFC0
16
Internal RAM
4096 bytes
Internal flash memory
120 Kbytes
(User ROM area)
Peripheral devices
control registers
16
001FFF
16
FEFFFF
16
FF0000
16
0017FF
16
001800
16
00FFFF
16
00FFC0
16
Bank 1
16
Bank FF
16
fRsupport tool
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