STLC5465B datasheet(5/101 Pages) STMICROELECTRONICS

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TABLE OF CONTENTS (continued)

Page

VIII - INTERNAL REGISTERS (continued)

VIII.27 - Initiate Block Address Register - IBAR (34)H .. . . ...... ... ..... ..... 90

VIII.28 - Interrupt Queue Size Register - IQSR (36)H . . . . . . . . . ...... .. . . ..... 90

VIII.29 - Interrupt Register - IR (38)H . . . . ... ... . . . . . . . . . . . . . ..... .... 91

VIII.30 - Interrupt Mask Register - IMR (3A)H . . . . ... . . . ... ..... ..... . . ... 92

VIII.31 - Timer Register - TIMR (3C)H

... .. . . .. . . . . . ...... .. . . ... ... . 92

VIII.32 - Test Register - TR (3E)H . . . . ... ... . . . ..... ..... . . .. . . ... . . 92

IX - EXTERNAL REGISTERS . . . . ... ... . ... .. . . . . . . . ..... ....... ... 93

IX.1 - Initialization Block in External Memory . . . . . . . . . ...... .. . . .... . . ... 93

IX.2 - Receive Descriptor . . . . . . . . . . . . ...... ..... .... . . ... ...... 94

IX.2.1 - Bits written by the Microprocessor only . . . ..... ...... .. .... . . . . . . . 94

IX.2.2 - Bits written by the Rx DMAC only . . . . . . . . . . . . . . . . . . . . . . . ..... . . 94

IX.2.3 - Receive Buffer

. . . . . . . .... . . ... .... . . . . . . . . .... . . ... ..94

IX.3 - Transmit Descriptor . . . . . . . . . . . . ...... ..... .... . . ... ...... 95

IX.3.1 - Bits written by the Microprocessor only . . . ..... ...... .. .... . . . . . . . 95

IX.3.2 - Bits written by the DMAC only

. . . . . . . . . . . . . . ...... .. . . ... ... . 96

IX.3.3 - Transmit Buffer . . . . . . . .... . . ... .... . . . . . . . . .... . . ... ..96

IX.4 - Receive & Transmit HDLC Frame Interrupt . . . . . . . . . . . . . ..... ..... . . . 96

IX.5 - Receive Command / Indicate Interrupt . . . . . . . . . ...... .. . . .... . . ... 97

IX.5.1 - Receive Command / Indicate Interrupt when TSV = 0 . . . . ...... ... ...... 97

IX.5.2 - Receive Command / Indicate Interrupt when TSV = 1 . . . . ...... ... ...... 98

IX.6 - Receive Monitor Interrupt . . . . . . . .... . . ..... ..... . . ..... .. . . . 98

IX.6.1 - Receive Monitor Interrupt when TSV = 0 . . . . . . . . . . . . . ..... ..... . . . 98

IX.6.2 - Receive Monitor Interrupt when TSV = 1 . . . . . . . . . . . . . ..... ..... . . . 99

X - PQFP160 PACKAGE MECHANICAL DATA . . . . ... . . . ... ..... ..... . . .. 100

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