參數(shù)資料
型號(hào)： OX16CF950
廠商： Electronic Theatre Controls, Inc.
英文描述： LOW COST ASYNCHRONOUS 16 BIT CARD
中文描述： 低成本異步16位卡
文件頁(yè)數(shù)： 3/60頁(yè)
文件大?。?/td> 753K
代理商： OX16CF950
6.6.3
6.6.4
6.7
6.7.1
6.7.2
6.8
6.8.1
6.8.2
6.9
6.9.1
6.9.2
6.9.3
6.9.4
6.10
6.10.1
6.10.2
6.10.3
6.10.4
6.10.5
6.10.6
6.10.7
6.11
6.11.1
6.11.2
6.11.3
6.11.4
6.11.5
6.11.6
6.11.7
6.11.8
6.11.9
6.11.10
MODEM DISABLE MASK ‘MDM’....................................................................................................................................44
6.11.11
READABLE FCR ‘RFC’...................................................................................................................................................45
6.11.12
GOOD-DATA STATUS REGISTER ‘GDS’ .....................................................................................................................45
6.11.13
DMA STATUS REGISTER ‘DMS’...................................................................................................................................45
6.11.14
PORT INDEX REGISTER ‘PIX’....................................................................................................................................... 45
6.11.15
CLOCK ALTERATION REGISTER ‘CKA’.......................................................................................................................45
6.11.16
MISC DATA REGISTER.................................................................................................................................................45
7
SERIAL EEPROM SPECIFICATION..........................................................................................................................46
7.1
EEPROM DATA ORGANISATION.....................................................................................................................................46
7.2
ZONE 0 : HEADER..............................................................................................................................................................46
7.3
ZONE1 : CARD INFORMATION STRUCTURE.................................................................................................................47
7.4
ZONE 2 : LOCAL REGISTER CONFIGURATION.............................................................................................................47
7.5
ZONE 3 : FUNCTION ACCESS (UART)............................................................................................................................ 48
8
OPERATING CONDITIONS...........................................................................................................................................49
9
DC ELECTRICAL CHARACTERISTICS...................................................................................................................50
9.1
5V OPERATION..................................................................................................................................................................50
9.2
3V OPERATION..................................................................................................................................................................51
10
TIMING WAVEFORMS / AC CHARACTERISTICS...........................................................................................52
10.1
COMMON MEMORY ACCESS...........................................................................................................................................52
10.2
ATTRIBUTE MEMORY ACCESS....................................................................................................................................... 53
10.3
I/O ACCESS........................................................................................................................................................................ 54
10.4
LOCAL BUS ACCESS........................................................................................................................................................55
Page 3
OXCF950 DATA SHEET V1.1
OXFORD SEMICONDUCTOR LTD.
INTERRUPT DESCRIPTION..........................................................................................................................................33
SLEEP MODE .................................................................................................................................................................34
MODEM INTERFACE.........................................................................................................................................................34
MODEM CONTROL REGISTER ‘MCR’..........................................................................................................................34
MODEM STATUS REGISTER ‘MSR’............................................................................................................................. 35
OTHER STANDARD REGISTERS.....................................................................................................................................35
DIVISOR LATCH REGISTERS ‘DLL & DLM’ .................................................................................................................35
SCRATCH PAD REGISTER ‘SPR’.................................................................................................................................35
AUTOMATIC FLOW CONTROL.........................................................................................................................................35
ENHANCED FEATURES REGISTER ‘EFR’...................................................................................................................35
SPECIAL CHARACTER DETECTION............................................................................................................................ 37
AUTOMATIC IN-BAND FLOW CONTROL.....................................................................................................................37
AUTOMATIC OUT-OF-BAND FLOW CONTROL...........................................................................................................37
BAUD RATE GENERATION...............................................................................................................................................37
GENERAL OPERATION.................................................................................................................................................37
CLOCK PRESCALER REGISTER ‘CPR’.......................................................................................................................38
TIMES CLOCK REGISTER ‘TCR’...................................................................................................................................38
INPUT CLOCK OPTIONS ...............................................................................................................................................39
TTL CLOCK MODULE ....................................................................................................................................................40
EXTERNAL 1X CLOCK MODE....................................................................................................................................... 40
CRYSTAL OSCILLATOR CIRCUIT................................................................................................................................40
ADDITIONAL FEATURES.................................................................................................................................................. 40
ADDITIONAL STATUS REGISTER ‘ASR’......................................................................................................................40
FIFO FILL LEVELS ‘TFL & RFL’.....................................................................................................................................41
ADDITIONAL CONTROL REGISTER ‘ACR’.................................................................................................................. 41
TRANSMITTER TRIGGER LEVEL ‘TTL’........................................................................................................................42
RECEIVER INTERRUPT. TRIGGER LEVEL ‘RTL’ ........................................................................................................ 42
FLOW CONTROL LEVELS ‘FCL & FCH’.......................................................................................................................42
DEVICE IDENTIFICATION REGISTERS .......................................................................................................................43
CLOCK SELECT REGISTER ‘CKS’...............................................................................................................................43
NINE-BIT MODE REGISTER ‘NMR’...............................................................................................................................43
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