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): 47/112頁
文件大小: 639K
代理商: ΜPD30102
μ
PD30102
47
Preliminary Data Sheet
4.1.5 HALTimer shutdown
The V
R
4102 enters the reset status if HALTimer is not cleared by software within 4 seconds after RTC reset has been
cleared.
Reset by HALTimer initializes all the internal statuses except the RTC timer and PMU.
After reset, the processor serves as the master of the system bus, the sequence of the cold reset exception is
executed, and accessing the reset vector in the ROM space is started. Because only part of the internal status of the
V
R
4102 is reset, completely initialize the processor in software.
Figure 4-5. HALTimer Shutdown
POWER (input)
POWERON (output)
MPOWER (output)
ColdReset# (internal)
Reset# (internal)
PLL (internal)
RTC
(internal, 32 kHz)
Stable oscillation
Stop
4s
> 32 ms
350 ms
16 ms
16 MasterClock
Note
Undefined
MRAS (0 : 3)#/
UCAS#/LCAS# (output)
Stable oscillation
Note
MasterClock is the basic clock in the CPU core.
4.2 CPU Core Registers at Reset
Each of the CPU core registers is reset as follows:
The TS and SR bits of the status register are cleared to 0.
The ERL and BEV bits of the status register are set to 1.
The upper-limit value (31) is set to the random register.
The wired register is initialized to 0.
Bits 31 through 28 of the config register are cleared to 0, and bits 22 through 3 are set to 0x04800. The other
bits are undefined.
The values of the registers other than above are undefined.
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