P R E L I M I N A R Y

AMD

 

 

LED Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

RESET Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

RESET Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

SWRESET (SIR0[7]) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

CORESET (SIR0[6]) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

PCMCIA COR SRESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

ISA PnP RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

SRES (TIR0[5]) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

REGISTER DESCRIPTIONS

75

System Interface Registers (SIR space)

76

SIR0: General Configuration Register (GCR)

77

SIR1: Bank Switching Select Register (BSS)

78

SIR2: Local Memory Address Register [7:0] (LMA)

79

SIR3: Local Memory Address Register [14:8] (LMA)

79

SIR4: I/O Data Port A (IODPA)

79

SIR5: I/O Data Port B (IODPB)

80

SIR6: I/O Data Port C (IODPC)

80

SIR7: I/O Data Port D (IODPD)

80

MAC Interface Registers (MIR Space)

80

MIR0: Processor Interface Register (PIR)

80

MIR1: Power Up Clock Time [3:0] (PUCT)

81

MIR2: Power Down Length Count [7:0] (PDLC)

81

MIR3: Power Down Length Count [15:8] (PDLC)

81

MIR4: Power Down Length Count [22:16] (PDLC)

82

MIR5: Free Count [7:0] (FCNT)

82

MIR6: Free Count [15:8] (FCNT)

82

MIR7: Free Count [23:16] (FCNT)

82

MIR8: Flash Wait States

82

MIR9: TCR Mask STSCHG Data

83

MIR10: Reserved

85

MIR11: Reserved

85

MIR12: Reserved

85

MIR13: Reserved

85

MIR14: Reserved

85

MIR15: Reserved

85

Transceiver Attachment Interface Registers (TIR Space)

86

TIR0: Network Control

89

TIR1: Network Status

89

TIR2: Serial Device

90

TIR3: Fast Serial Port Control

91

TIR4: Interrupt Register 1

91

TIR5: Interrupt Register

92

TIR6: Interrupt Unmask Register 1

93

TIR7: Interrupt Unmask Register 2

93

TIR8: Transmit Control

94

TIR9: Transmit Status

94

Am79C930

9

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AMD Am79C930 manual Register Descriptions