NAD C 426 Service Manual

Also see for C 426: Owner's manual Specifications Owner's manual User manual

Contents

NAD C 426 Service Manual Manual pdf 19 page image

- 19 -Main BoardU201: P89LCP936ACCELERATED 2-CLOCK 80C51 CPU4 kb/8 kB/16 kBCODE FLASH256-BYTEDATA RAMPORT 2CONFIGURABLE I/OsPORT 1CONFIGURABLE I/OsPORT 0CONFIGURABLE I/OsKEYPADINTERRUPTPROGRAMMABLEOSCILLATOR DIVIDERCPUclockCONFIGURABLEOSCILLATORON-CHIPRCOSCILLATORinternal busCRYSTALORRESONATORPOWER MONITOR(POWER-ON RESET,BROWNOUT RESET)UARTANALOGCOMPARATORS512-BYTEAUXILIARY RAMI2 C-BUS512-BYTEDATA EEPROM(P89LPC935/936)PORT 3CONFIGURABLE I/OsCCU (CAPTURE/COMPARE UNIT)(P89LPC935/936)P89LPC933/934/935/936WATCHDOG TIMERAND OSCILLATORTIMER 0TIMER 1REAL-TIME CLOCK/SYSTEM TIMERSPIADC1/DAC1ADC0/DAC0(P89LPC935/936)P3[1:0]P2[7:0]P1[7:0]P0[7:0]X2X1TXDRXDSCLSDAT0T1CMP2CIN2BCIN2ACMP1CIN1ACIN1BOCAOCBOCCOCDICAAD10AD11AD12AD13DAC1AD00AD01AD02AD03DAC1ICBSPICLKMOSIMISOSSP89LPC935FDHP89LPC936FDH12345678910111213141615181720192221242326252827P2.0/ICB/DAC0/AD03P2.1/OCD/AD02P0.0/CMP2/KBI0/AD01P1.7/OCC/AD00P1.6/OCBP1.5/RSTV SSP3.1/XTAL1P3.0/XTAL2/CLKOUTP1.4/INT1P1.3/INT0/SDAP1.2/T0/SCLP2.2/MOSIP2.3/MISOP2.7/ICAP2.6/OCAP0.1/CIN2B/KBI1/AD10P0.2/CIN2A/KBI2/AD11P0.3/CIN1B/KBI3/AD12P0.4/CIN1A/KBI4/DAC1/AD13P0.5/CMPREF/KBI5VDDP0.6/CMP1/KBI6P0.7/T1/KBI7P1.0/TXDP1.1/RXDP2.5/SPICLKP2.4/SS