參數(shù)資料
型號(hào): UPD77015
廠商: NEC Corp.
元件分類: 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): 10/60頁(yè)
文件大?。?/td> 424K
代理商: UPD77015
μ
PD77015, 77017, 77018
10
1. PIN FUNCTIONS
1.1 Pin Functions
Power supply
V
DD
+3V power supply
GND
Ground
System control
Symbol
Pin No.
I/O
Function
X1
85
I
Clock input / crystal connection pin
The clock signal is connected to X1, when using external
clock for system clock.
X2
84
_
Crystal connection pin
X2 should be left open when using external clock for
system clock.
CLKOUT
87
O
Internal system clock output
RESET
1
I
Internal system reset signal input
Symbol
Pin No.
I/O
Function
11, 21, 31, 37, 43, 56, 69,
86, 97
10, 20, 30, 36, 42, 55, 68,
83, 96
Interrupt
Symbol
Pin No.
I/O
Function
INT4 - INT1
2 - 5
I
Maskable external interrupt input
Falling edge detection
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