參數(shù)資料
型號(hào): M37905M8C-XXXSP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PDIP64
封裝: 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件頁(yè)數(shù): 71/103頁(yè)
文件大?。?/td> 1402K
代理商: M37905M8C-XXXSP
M37905M4C-XXXFP, M37905M4C-XXXSP
M37905M6C-XXXFP, M37905M6C-XXXSP
M37905M8C-XXXFP, M37905M8C-XXXSP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
6
Fig. 1 (1) Memory map of M37905M4C-XXXFP/SP (Single-chip mode)
BASIC FUNCTION BLOCKS
These microcomputers contain the following devices in the single
chip: ROM, RAM, CPU, bus interface unit, and peripheral devices
such as the interrupt control circuit, timers, serial I/O,
A-D converter, D-A converter, I/O ports, clock generating circuit, etc.
MEMORY
Figures 1 (1) through (3) show the memory maps. The address
space is 64 Kbytes from addresses 016 through FFFF16. This ad-
dress space is called “bank 016”.
The internal ROM and RAM are allocated as shown in Figures 1 (1)
through (3).
Addresses FFB416 through FFFF16 contain the RESET and the in-
terrupt vector addresses, and the interrupt vectors are stored there.
For details, refer to the section on interrupts.
Allocated to addresses 016 through FF16 are peripheral devices such
as I/O ports, A-D converter, D-A converter, serial I/O, timers, interrupt
control registers, etc. Figures 2 and 3 show the location of SFRs.
INT4
A-D conversion
Reserved area
Address matching detect
Reserved area
INT5
INT6
INT7
Timer A5
UART1 transmit
UART1 receive
UART0 transmit
UART0 receive
Timer B2
Timer B1
Timer B0
Interrupt vector table
Timer A4
Timer A3
Timer A2
Timer A1
Timer A0
Watchdog timer
BRK instruction
Zero divide
INT3
INT2
INT1
INT0
Received area
RESET
DBC
00000016
Bank 016
00FFFF16
00000016
000C0016
0000FF16
00FFFE16
00FFB416
Internal RAM
1024 bytes
Internal ROM
32 Kbytes
Peripheral devices'
control registers
000FFF16
00100016
000BFF16
Unused area
007FFF16
00800016
00FFB416
00FFFF16
Timer A6
Timer A7
Timer A8
Timer A9
UART2 receive
UART2 transmit
00000016
0000FF16
Peripheral devices'
control registers
(See Figures 2 and 3.)
00010016
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M37905M8C-XXXFP 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP64
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