w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 4

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

3.0 UART PORT .......................................................................................................45
3.1 UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART A, UART B) .................... 45
3.2 REGISTER ADDRESS............................................................................................................... 45
4.0 INFRARED (IR) PORTS......................................................................................54
4.1 IR PORT .................................................................................................................................... 54
4.2 CIR PORT(FOR W83977CTF ONLY) ........................................................................................ 54
2.2.2 Status Register B (SB Register) (Read base address + 1) ................................................... 35
2.2.3 Digital Output Register (DO Register) (Write base address + 2) ........................................... 37
2.2.4 Tape Drive Register (TD Register) (Read base address + 3)................................................ 37
2.2.5 Main Status Register (MS Register) (Read base address + 4).............................................. 38
2.2.6 Data Rate Register (DR Register) (Write base address + 4)................................................. 38
2.2.7 FIFO Register (R/W base address + 5) ................................................................................ 40
2.2.8 Digital Input Register (DI Register) (Read base address + 7)................................................ 42
2.2.9 Configuration Control Register (CC Register) (Write base address + 7)................................ 43
3.2.1 UART Control Register (UCR) (Read/Write)......................................................................... 45
3.2.2 UART Status Register (USR) (Read/Write) .......................................................................... 47
3.2.3 Handshake Control Register (HCR) (Read/Write)................................................................. 48
3.2.4 Handshake Status Register (HSR) (Read/Write) .................................................................. 49
3.2.5 UART FIFO Control Register (UFR) (Write only) .................................................................. 50
3.2.6 Interrupt Status Register (ISR) (Read only) .......................................................................... 51
3.2.7 Interrupt Control Register (ICR) (Read/Write) ....................................................................... 52
3.2.8 Programmable Baud Generator (BLL/BHL) (Read/Write) ..................................................... 52
3.2.9 User-defined Register (UDR) (Read/Write)........................................................................... 53
4.2.1 Bank0.Reg0 - Receiver Buffer Registers (RBR) (Read)........................................................ 54
4.2.2 Bank0.Reg1 - Interrupt Control Register (ICR) ..................................................................... 54
4.2.3 Bank0.Reg2 - Interrupt Status Register (ISR)....................................................................... 55
4.2.4 Bank0~3.Reg3 - CIR Control Register 0/Bank Select Register (CTR0/BSR) (BANK0~3) ...... 56
4.2.5 Bank0.Reg4 - CIR Control Register (CTR) ........................................................................... 57
4.2.6 Bank0.Reg5 - UART Line Status Register (USR) ................................................................ 58
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Publication Release Date: March 1999
W83977EF/ CTF
PRELIMINARY
Revision A1