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參數(shù)資料
| 型號(hào)： | TMP96C031 |
| 廠商： | Toshiba Corporation |
| 英文描述： | High Speed Advanced CMOS 16-bit Microcontroller For Controlling Medium to Large-Scale Equipment(用于中等到大型設(shè)備控制，高速、先進(jìn)的 CMOS 16位微控制器) |
| 中文描述： | 采用先進(jìn)的CMOS高速16位微控制器控制中的大型設(shè)備（用于中等到大型設(shè)備控制，高速，先進(jìn)的的CMOS 16位微控制器） |
| 文件頁(yè)數(shù)： | 13/186頁(yè) |
| 文件大?。?/td> | 5299K |
| 代理商： | TMP96C031 |
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TOSHIBA CORPORATION
13
TMP96C031N/F
(1) High-Speed
High-speed
rupt vector value matches the
the interrupt controller. The high-speed
nels so that it can be set for up to four types of interrupt
source.
When a high-speed
μ
DMA interrupt is accepted, data is
automatically transferred from the transfer source address to
the transfer destination address set in the control register, and
the transfer counter is decremented. If the value in the counter
after decrementing is other than 0, high-speed
ing is completed. If the value in the counter after decrementing
is 0, general-purpose interrupt processing is performed. In
read-only mode, which is provided for DRAM refresh, the value
in the counter is ignored and dummy read is repeated.
The 32-bit control registers are used for setting transfer
source/destination addresses. However, the TLCS-900 has
only 24 address pins for output. A 16M-byte space is available
for the high-speed
μ
DMA. Also in normal mode operation, the
all address space (in other words, the space for system mode
which is set by the CS/WAIT controller) can be accessed by
high-speed
μ
DMA processing.
μ
DMA Operation
DMA operation starts when the accepted inter-
μ
DMA start vector value set in
μ
μ
DMA has four chan-
μ
DMA process-
There are two data transfer modes: one-byte mode and
one-word mode. Incrementing, decrementing, and fixing the
transfer source/destination address after transfer can be done
in both modes. Therefore data can easily be transferred
between I/O and memory and between I/Os. For details of
transfer modes, see the description of transfer mode registers.
The transfer counter has 16-bit, so up to 65536 transfers
(the maximum when the initial value of the transfer counter is
0000H) can be performed for one interrupt source by high-
speed
μ
DMA processing.
After transferring data using the high-speed
the transfer counter has been decremented to 0, the program
goes to a general-purpose interrupt processing. Note that after
interrupt processing, when an interrupt for the same channel is
generated, if the system requires resetting the transfer counter
starts from 65536.
The following section illustrates the high-speed
cycle when the transfer destination address is in INC mode.
(MIN mode, 16-bit bus for all address areas, 0 wait).
Interrupt sources processed by high-speed
cessing are those with the high-speed
listed in Table 3.3 (1).
μ
DMA and
μ
DMA
μ
DMA pro-
μ
DMA start vectors
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMP96C031F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
| TMP96C031N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
| TMP96C031ZF | 制造商:Toshiba America Electronic Components 功能描述:MCU 16BIT TLCS-900 CISC ROMLESS 5V 64PQFP - Bulk |
| TMP96C041AF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microcontroller |
| TMP96C041AFG | 制造商:Toshiba America Electronic Components 功能描述: |
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