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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: 138/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 136 -
IRTXDRQSL (bit 7-bit 4): Transmitter DMA channel A through D selection when high speed infrared
(FIR/MIR) is used and enable DMA channel. Note that these bits is used in two DMA channels.
IRRXDRQSL(bit 3-bit 0): Receiver or Transmitter DMA channel A through selection when high speed
infrared (FIR/MIR) is used and enable DMA channel. Note that these bits act as RX DMA channel
selection if two DMA channel is used, or these bits act as RX/TX DMA channel selection if single
DMA channel is used.
8.2.36 Configuration Registers (CR2B)
When the device is in Extended Function mode and EFIR is 2BH, the CR2B register can be accessed
through EFDR. This register default value is 00
16
. The bit definitions are as follows:
1
2
3
4
5
6
7
0
PIN93FUN0
PIN93FUN1
PIN3FUN0
PIN3FUN1
PIN2FUN0
PIN2FUN1
PIN1FUN0
PIN1FUN1
Bit 7~6: PIN1FUN1~0 - Pin 1 function select.
PIN1FUN1
PIN1FUN0
Pin 1
0
0
IRQ_G
0
1
nRESIDE
1
0
DRQ_D
1
1
IRSL2
Bit 5-4: PIN2FUN1~0 - Pin 2 function select.
PIN2FUN1
PIN2FUN0
Pin 2
0
0
nCS
0
1
nDACK_D
1
0
IRSL1
1
1
IRSL2
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相關代理商/技術參數
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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
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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