參數(shù)資料
型號(hào)： UPD77016GM-KMD
廠商： NEC Corp.
元件分類(lèi)： 數(shù)字信號(hào)處理
英文描述： 16 bits, Fixed-point Digital Signal Processor
中文描述： 16位定點(diǎn)數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 13/56頁(yè)
文件大?。?/td> 250K
代理商： UPD77016GM-KMD
μ
PD77016
13
External instructions memory interface
Symbol
Pin No.
I/O
Function
IA15 - IA0
Note 1.
O (3S)
Address bus to external instruction memory
Even the internal instruction memory is accessed, the
address is output to the external instruction memory.
In this case, the
μ
PD77016 ignores data of external
instruction memory output.
ID31 - ID0
Note 2.
I/O (3S)
32 bits instruction input
PWR
129
O (3S)
Program memory write strobe
Write strobe for external instruction memory. This pin
loads program to external instruction memory (not
internal memory) while
μ
PD77016 is in boot operation.
Note 1.
IA15 to IA0 pins are located on these pins: 101 to 104, 107 to 114, 117 to 120
ID31 to ID0 pins are located on these pins: 121 to 128, 132 to 139, 142 to 149, 152 to 159
2.
Remark
The state of the pins added 3S becomes high impedance when RESET is input.
Debugging interface
Symbol
Pin No.
I/O
Function
TDO
96
O
For debugging
TICE
97
O
For debugging
TCK
98
I
For debugging
TDI
99
I
For debugging
TMS
100
I
For debugging
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