參數(shù)資料
型號(hào): C8254
廠商: Electronic Theatre Controls, Inc.
元件分類(lèi): 通用總線功能
英文描述: PROGRAMMABLE TIMER /COUNTER MEGAFUNCTION
中文描述: 可編程定時(shí)/計(jì)數(shù)器宏功能
文件頁(yè)數(shù): 2/6頁(yè)
文件大?。?/td> 290K
代理商: C8254
CAST C8254 Megafunction Datasheet
Pin Description
Name
DIN[7:0]
ADDR[1:0]
CSN
RDN
WRN
RESETN
CLK0
GATE0
CLK1
GATE1
CLK2
GATE2
OUT0
OUT1
OUT2
DOUT[7:0]
Type
In
In
In
In
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Polarity
-
-
Low
Low
Low
Low
Falling
-
Falling
-
Falling
-
-
-
-
-
Description
Data Bus Input
Address
Chip Select
Read Control
Write Control
Reset internal Registers
Clock input of Counter 0
Gate input of Counter 0
Clock input of Counter 1
Gate input of Counter 1
Clock input of Counter 2
Gate input of Counter 2
Output of Counter 0
Output of Counter 1
Output of Counter 2
Data Bus Output
Block Diagram
DIN[7:0]
Data
Bus
Buffer
Counter 0
Counter 1
Counter 2
Control
Word
Register
Read and
Write
Logic
Program
Counter
Read/Write
Control
&
WRN
CSN
ADDR[1:0]
RDN
RESETN
DOUT[7:0]
CLK0
GATE0
OUT0
CLK1
GATE1
OUT1
CLK2
GATE2
OUT2
Figure 1 – Block Diagram
CAST, Inc.
Page 2
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