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DS2156 Datasheet(PDF) 39 Page - Maxim Integrated Products |
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DS2156 Datasheet(HTML) 39 Page - Maxim Integrated Products |
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39 / 265 page  DS2156 39 of 265 4. PARALLEL PORT The SCT is controlled by either a nonmultiplexed (MUX = 0) or a multiplexed (MUX = 1) bus through an external microcontroller or microprocessor. The SCT can operate with either Intel or Motorola bus timing configurations. If the BTS pin is connected low, Intel timing is selected; if connected high, Motorola timing is selected. All Motorola bus signals are listed in parentheses (). See the timing diagrams in AC Electrical Characteristics in Section 36 for more details. 4.1 Register Map Table 4-A. Register Map Sorted by Address ADDRESS xxh R/W REGISTER NAME SYMBOL PAGE 00 R/W Master Mode Register MSTRREG 49 01 R/W I/O Configuration Register 1 IOCR1 76 02 R/W I/O Configuration Register 2 IOCR2 77 03 R/W T1 Receive Control Register 1 T1RCR1 53 04 R/W T1 Receive Control Register 2 T1RCR2 54 05 R/W T1 Transmit Control Register 1 T1TCR1 55 06 R/W T1 Transmit Control Register 2 T1TCR2 56 07 R/W T1 Common Control Register 1 T1CCR1 57 08 R/W Software Signaling Insertion Enable 1 SSIE1 100 09 R/W Software Signaling Insertion Enable 2 SSIE2 100 0A R/W Software Signaling Insertion Enable 3 SSIE3 101 0B R/W Software Signaling Insertion Enable 4 SSIE4 101 0C R/W T1 Receive Digital Milliwatt Enable Register 1 T1RDMR1 59 0D R/W T1 Receive Digital Milliwatt Enable Register 2 T1RDMR2 59 0E R/W T1 Receive Digital Milliwatt Enable Register 3 T1RDMR3 59 0F R Device Identification Register IDR 70 10 R/W Information Register 1 INFO1 60 11 R Information Register 2 INFO2 158 12 R/W Information Register 3 INFO3 67 13 14 R Interrupt Information Register 1 IIR1 51 15 R Interrupt Information Register 2 IIR2 51 16 R/W Status Register 1 SR1 159 17 R/W Interrupt Mask Register 1 IMR1 160 18 R/W Status Register 2 SR2 70 19 R/W Interrupt Mask Register 2 IMR2 71 1A R/W Status Register 3 SR3 72 1B R/W Interrupt Mask Register 3 IMR3 73 1C R/W Status Register 4 SR4 74 1D R/W Interrupt Mask Register 4 IMR4 75 1E R/W Status Register 5 SR5 113 1F R/W Interrupt Mask Register 5 IMR5 113 20 R/W Status Register 6 SR6 142 21 R/W Interrupt Mask Register 6 IMR6 143 22 R/W Status Register 7 SR7 142 23 R/W Interrupt Mask Register 7 IMR7 143 24 R/W Status Register 8 SR8 119 |
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