W83977F-A Winbond, W83977F-A Datasheet
W83977F-A
Specifications of W83977F-A
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W83977F-A Summary of contents
Page 1
... TM Phoenix MultiKey/ customer code. The W83977F/ AF provides a set of flexible I/O control functions to the system designer through a set of General Purpose I/O ports. These GPIO ports may serve as simple I/O or may be individually configured to provide a pre-defined alternate function. W83977F made to fully comply with Microsoft PC97 Hardware Design Guide. IRQs, DMAs, and I/O space resource are flexible to adjust to meet ISA PnP requirement ...
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... Fully programmable serial-interface characteristics: --- 8-bit characters --- Even, odd or no parity bit generation/detection --- 1, 1 stop bits generation Internal diagnostic capabilities: --- Loop-back controls for communications link fault isolation --- Break, parity, overrun, framing error simulation W83977F/ W83977AF Publication Release Date: February 1997 -2- PRELIMINARY Revision 0.53 ...
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... Support both interrupt and polling modes Fast Gate A20 and Hardware Keyboard Reset 8 Bit Timer/ Counter; support binary and BCD arithmetic Mhz operating frequency (16 Mhz available only if input clock rate = 14.318 Mhz) W83977F/ W83977AF Compatible with IEEE 1284 specification Compatible with IEEE 1284 specification TM ...
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... General purpose I/O ports can serve as simple I/O ports, interrupt steering inputs, watching dog timer output, power LED output, infrared I/O pins, general purpose address decoder, KBC control I/O pins. Package 128-pin PQFP W83977F/ W83977AF Publication Release Date: February 1997 -4- PRELIMINARY Revision 0.53 ...
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... IOR 106 IOW AEN 107 IOCHRDY 108 109 D0 110 D1 111 D2 112 D3 113 D4 D5 114 115 VCC 116 D6 117 D7 118 MR 119 DACK0/GP16 120 VSS 121 DRQ0/GP17 122 DACK1 123 DRQ1 124 DACK2 125 DRQ2 126 DACK3 127 DRQ3 TC 128 W83977F/ W83977AF ...
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... CPU I/O write signal ts IN System address bus enable t In EPP Mode, this pin is the IO Channel Ready output to 24 extend the host read/write cycle. IN Master Reset. Active high low during normal ts operations. -6- W83977F/ W83977AF PRELIMINARY FUNCTION Publication Release Date: February 1997 Revision 0.53 ...
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... OUT IRQ11 101 OUT IRQ12 102 OUT W83977F/ W83977AF CR2C bit5 (default): DMA Channel 0 Acknowledge signal. CR2C bit5, 4= 01: General purpose I/O port 1 bit 6. It can be configured as a watchdog timer output. CR2C bit5, 4= 10: Keyboard P15 I/O port. 12t CR2C bit5, 4= 11: RTS output of UART C. [W83977AF only] CR2C bit7 (default): DMA Channel 0 request signal ...
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... CR2B bit5=0 (default): On/Off control for Advanced Power 12t Management (APM). This signal tells the main power supply whether power should be turned on. CR2B bit5=1: General purpose I/O port 2, bit 2. It can be configured as Keyboard P14 I/O port. -8- W83977F/ W83977AF PRELIMINARY FUNCTION FUNCTION Publication Release Date: February 1997 Revision 0.53 ...
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... I/O DTRA 8t PNPCSV W83977F/ W83977AF FUNCTION CR2B bit7, 6=00 (default): On/Off switch for Advanced Power Management (APM). This signal indicates a request to switch the power on or off. When the V high to low transition on this pin indicates a switch on request. When V returns, a high to low transition on this pin indicates a DD switch off request ...
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... CR2A bit3, 2=11: CTS input of UART C. [W83977AF only] CR2A bit5, 4=00 (default): Consumer IR receiving terminal. CR2A bit5, 4=01: General purpose I/O port 2, bit 4. It can be configured as Keyboard P16 I/O port. CR2A bit5, 4=10: Keyboard P13 I/O -10- W83977F/ W83977AF PRELIMINARY FUNCTION is recommended if intends to is recommended if intends to FUNCTION ...
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... BUSY W83977F/ W83977AF FUNCTION PRINTER MODE: SLCT An active high input on this pin indicates that the printer is selected. This pin is pulled high internally. Refer to description of the parallel port for definition of this pin in ECP and EPP mode. EXTENSION FDD MODE: WE2 This pin is for Extension FDD B; its function is the same as the pin of FDC ...
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... SLIN W83977F/ W83977AF FUNCTION PRINTER MODE: ACK An active low input on this pin indicates that the printer has received data and is ready to accept more data. This pin is pulled high internally. Refer to description of the parallel port for definition of this pin in ECP and EPP mode. ...
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... I/O 24t W83977F/ W83977AF FUNCTION PRINTER MODE: INIT Output line for the printer initialization. This pin is pulled high internally. Refer to description of the parallel port for definition of this pin in ECP and EPP mode. EXTENSION FDD MODE: DIR2 This pin is for Extension FDD B; its function is the same as the DIR pin of FDC ...
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... I/O 24t W83977F/ W83977AF FUNCTION PRINTER MODE: PD1 Parallel port data bus bit 1. Refer to description of the parallel port for definition of this pin in ECP and EPP mode. . EXTENSION FDD MODE: TRAK02 This pin is for Extension FDD B; the function of this pin is the same as the TRAK0 pin of FDC pulled high internally.. ...
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... I/O 24t - OD 24 W83977F/ W83977AF FUNCTION PRINTER MODE: PD4 Parallel port data bus bit 4. Refer to description of the parallel port for definition of this pin in ECP and EPP mode. EXTENSION FDD MODE: DSKCHG2 This pin is for Extension FDD B; the function of this pin is the same as the DSKCHG pin of FDC ...
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... CRF0 (FIPURDWN). Track 0. This Schmitt-triggered input from the disk drive is active low when the head is positioned over the outermost track. This input pin is pulled up internally L0-CRF0 (FIPURDWN). -16- W83977F/ W83977AF PRELIMINARY resistor, which can be disabled by bit Publication Release Date: February 1997 Revision 0.53 ...
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... GND 25,62, Ground 90,120 W83977F/ W83977AF FUNCTION This Schmitt-triggered input from the disk drive is active low when the head is positioned over the beginning of a track marked by an index hole. This input pin is pulled up internally can be disabled by bit 7 of L0-CRF0 (FIPURDWN). ...
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... ORDERING INSTRUCTION PART NO. W83977F-P Phoenix MultiKey/42 W83977F-A W83977AF-P Phoenix MultiKey/42 W83977AF-A 3.0 PACKAGE DIMENSIONS (128-pin QFP 102 103 128 See Detail F y Seating Plane W83977F/ W83977AF KBC FIRMWARE TM without FIR, 3rd UART TM without FIR, 3rd UART AMIKEY-2 TM with FIR, 3rd UART ...
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... No. 115, Sec. 3, Min-Sheng East Rd. Taipei, Taiwan TEL: 886-2-7190505 FAX: 886-2-7197502 TLX: 16485 WINTPE Note: All data and specifications are subject to change without notice. W83977F/ W83977AF Winbond Electronics (H.K.) Ltd. Rm. 803, World Trade Square, Tower II 123 Hoi Bun Rd., Kwun Tong Kowloon, Hong Kong TEL: 852-27516023-7 ...