參數(shù)資料
型號: mPD705101
廠商: NEC Corp.
英文描述: V831TM 32-BIT MICROPROCESSOR
中文描述: V831TM 32位微處理器
文件頁數(shù): 30/72頁
文件大?。?/td> 302K
代理商: MPD705101
μ
PD705101
30
14. RESET/NMI CONTROL FUNCTION
The features of the reset/NMI control function are as follows:
RESET and NMI pins have noise rejection circuit that samples clock.
Performs forced reset, reset mask, and NMI mask processing from debug control unit
Table 14-1 shows the status of the output pins during the system reset period and immediately after reset. This
status is retained during the reset period.
Table 14-1. Status of Output Pin Immediately after Reset
Function
Operating Status
A1-A23
Undefined
D0-D31
High impedance
CS1-CS7
1
BCYST
1
IORD, IOWR
1
WE, OE
1
LLMWR, LUMWR, ULMWR, UUMWR
1
LLCAS, LUCAS, ULCAS, UUCAS
1
RAS
1
CLKOUT
Clock output
HLDAK
1
DMAAK0-DMAAK3
1
PORT2/SI
High impedance
PORT1/SO
High impedance
PORT0/SCLK
High impedance
TXD
1
DDO
Undefined
TRCDATA0-TRCDATA3
Undefined
TC/REFRQ
1
TO10/INTP10, TO11/INTP12
High impedance
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