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参数资料
| 型号： | M37903S4CHP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, 26 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件页数： | 8/11页 |
| 文件大小： | 191K |
| 代理商： | M37903S4CHP |
5
M37903S4CHP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
BASIC FUNCTION BLOCKS
The M37903S4CHP has the same function as that of the
M37903F8CHP except for the following. Therefore, refer to the
datasheet of the M37903F8CHP.
The memory allocation of the M37903S4CHP differs from that of
the M37903F8CHP.
The M37903S4CHP operates only in the microprocessor mode.
MEMORY
Figure 1 shows the memory map. The address space is 16 Mbytes
from addresses 016 to FFFFFF16. The address space is divided into
64-Kbyte units called banks. The banks are numbered from 016 to
FF16. Bank FF16 is a reserved area for the development support tool.
Therefore, do not use bank FF16.
Internal RAM is assigned as shown in Figure 1.
Addresses FFC016 to FFFF16 contain the RESET and the interrupt
vector addresses, and the interrupt vectors are stored there. For
these addresses, use the ROM.
For details, refer to the section on interrupts.
Assigned to addresses 016 to FF16 are peripheral devices such as
I/O ports, A-D converter, D-A converter, UART, timers, interrupt con-
trol registers, etc. Figures 2 and 3 show the location of SFRs.
Fig. 1 Memory map of M37903S4CHP
INT4
A-D conversion
Reserved area
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
NMI
RESET
DBC
00000016
Bank 016
FFFFFF16
FE000016
00FFFF16
01000016
01FFFF16
Bank FE16
00000016
00080016
0000FF16
00FFFE16
00FFC016
Internal RAM
2048 bytes
Peripheral devices
control registers
000FFF16
FEFFFF16
FF000016
00FFFF16
00FFC016
Bank 116
Bank FF16
Reserved area
for development
support tool
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相关代理商/技术参数 |
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