国产精品成人VA在线观看-国产乱妇乱子视频在播放-国产日韩精品一区二区三区在线-国模精品一区二区三区

參數資料
型號: W83877AF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(多功能輸入/輸出口控制器)
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: QFP-100
文件頁數: 8/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 6 -
1.1 Host Interface, continued
SYMBOL
PIN
I/O
FUNCTION
TC
97
IN
ts
Terminal Count. When active, this pin indicates termination of
a DMA transfer.
IRQIN
DRQ_D
IRSL2
IRRXH/IRSL0
93
IN
t
OUT
12t
OUT
12t
I/O
12t
Interrupt request input.
DMA request signal D.
IR module mode selection 2.
When input, act as a function of high speed IR receiving
terminal. When output selected, act as a IR module mode
selection 0.
IRQ_A
GIO1
96
OUT
12t
I/O
12t
When CR16 Bit 4 (GOIQSEL) = 0: Interrupt request signal A;
When CR16 Bit 4 (GOIQSEL) = 1: General Purpose I/O port
1.
IRQ_B
GIO0
92
OUT
12t
I/O
12t
When CR16 Bit 4 (GOIQSEL) = 0: Interrupt request signal B;
When CR16 Bit 4 (GOIQSEL) = 1: General Purpose I/O port
0.
IRQ_C
44
OUT
12t
OUT
12t
OUT
12t
OUT
12t
CLK IN
Interrupt request signal C
IRQ_D
37
Interrupt request signal D
IRQ_E
23
Interrupt request signal E
IRQ_F
99
Interrupt request signal F
XTAL1
7
XTAL oscillator input
XTAL2
8
CLK OUT
XTAL oscillator output
1.2 Serial Port Interface
SYMBOL
PIN
I/O
FUNCTION
CTSA
CTSB
34
47
IN
t
IN
t
Clear To Send is the modem control input.
The function of these pins can be tested by reading Bit 4 of the
handshake status register.
DSRA
DSRB
33
48
IN
t
IN
t
Data Set Ready. An active low indicates the modem or data set
is ready to establish a communication link and transfer data to
the UART.
DCDA
DCDB
RIA
RIB
32
49
IN
t
IN
t
Data Carrier Detect. An active low indicates the modem or data
set has detected a data carrier.
31
50
IN
t
IN
t
Ring Indicator. An active low indicates that a ring signal is being
received by the modem or data set.
相關PDF資料
PDF描述
W83877ATD enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF enhanced version from Winbonds most popular I/O chip W83877F
W83877 WINBOND I/O
W83877F WINBOND I/O
W83877TD I/O chip disk drive adapter
相關代理商/技術參數
參數描述
W83877ATD 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877F 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TD 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TF 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O