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參數(shù)資料
| 型號： | μPD30102 |
| 廠商： | NEC Corp. |
| 英文描述： | 64-/32-BIT Microprocessor(64/32位微處理器) |
| 中文描述： | 64-/32-BIT微處理器（64/32位微處理器） |
| 文件頁數(shù)： | 22/112頁 |
| 文件大小： | 639K |
| 代理商： | ΜPD30102 |
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μ
PD30102
22
Preliminary Data Sheet
2.5 DSU (Deadman’s Switch Unit)
The DSU is used to check whether the processor is operating normally. If the software does not clear the register of
this unit at specific intervals, the system is shut down.
2.6 ICU (Interrupt Control Unit)
The ICU controls interrupt requests generated from the external and internal sources of the V
R
4102, and reports an
interrupt request, if any, to the V
R
4100 CPU core.
2.7 PMU (Power Management Unit)
The PMU outputs signals necessary for controlling the power of the entire system, including the V
R
4102. It also
controls the PLL of the V
R
4100 CPU core and the internal clocks (PClock, TClock, and MasterOut) in the power-saving
mode.
2.8 DMAAU (Direct Memory Access Address Unit)
The DMAAU controls three types of DMA transfer addresses.
2.9 DCU (Direct Memory Access Control Unit)
The DCU controls addresses of three types of DMA transfers.
2.10 CMU (Clock Mask Unit)
The CMU controls supply of the clocks (TClock or MasterOut) from the V
R
4100 CPU core to the internal peripheral
units.
2.11 GIU (General Purpose I/O Unit)
GIU controls fifty GPIO pins.
2.12 AIU (Audio Interface Unit)
AIU performs mic-input sampling and audio-signal output by controlling the internal A/D and D/A converters.
2.13 KIU (Keyboard Interface Unit)
The KIU has 8/10/12 scan lines and eight detection lines to detect input of 64/80/96 keys. It can also detect roll over
of 2 or 3 keys by adding diodes.
2.14 PIU (Touch Panel Interface Unit)
PIU performs touch detection of touch panel by controlling the internal A/D converter.
2.15 DSIU (Debug Serial Interface Unit)
The DIU is a serial interface for debugging and supports a transfer rate of up to 115 kbps.
2.16 SIU (Serial Interface Unit)
The SIU is a serial interface that is compatible with NS 16550 and is conforming to the RS-232C Standards, and
supports a transfer rate of up to 115 kbps. In addition, an IrDA serial interface that supports a transfer rate of 115 kbps
is also included, though this IrDA serial interface is exclusively used with the RS-232C interface.
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