Renesas PCA4738S-42A Spécifications

Regarding the change of names mentioned in the document, such as Mitsubishi Electric and Mitsubishi XX, to Renesas Technology Corp.The semiconductor o

93851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 7 Port block diagram (1)( 1 ) P o r t s P 0 ,

103851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 8 Port block diagram (2)(10) Ports P30–P34D i r e c

113851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSINTERRUPTSInterrupts occur by 16 sources among 16 sources

123851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSInterrupt RequestGenerating ConditionsRemarksInterrupt So

133851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 9 Interrupt controlFig. 10 Structure of interrupt-r

143851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSTIMERSThe 3851 group has four timers: timer X, timer Y, t

153851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 13 Block diagram of timer X, timer Y, timer 1, and

163851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSSERIAL I/OSerial I/O can be used as either clock synchron

173851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS(2) Asynchronous Serial I/O (UART) ModeClock asynchronous

183851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 17 Operation of UART serial I/O function[Transmit B

DESCRIPTIONThe 3851 group is the 8-bit microcomputer based on the 740 fam-ily core technology.The 3851 group is designed for the household products an

193851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 18 Structure of serial I/O control registersb7b7Tra

203851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFunctionIn conformity with Philips I2C-BUSstandard: 10-b

213851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS[I2C Data Shift Register (S0)] 002B16The I2C data shift r

223851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSTable 5 Set values of I2C clock control register and SCL

233851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 23 Structure of I2C control register[I2C Control Re

243851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS•Bit 4: SCL pin low hold bit (PIN)This bit generates an i

253851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 25 Interrupt request signal generating timingFig. 2

263851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 28 START condition detecting timing diagramSTART/ST

273851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS[I2C START/STOP Condition Control Register(S2D)] 003016Th

283851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSSTART/STOPconditioncontrol registerOscillationfrequencyf(

23851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFUNCTIONAL BLOCK DIAGRAMFig. 2 Functional block diagramFU

293851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSExample of Master TransmissionAn example of master transm

303851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS(2) START condition generating procedure using multi-mast

313851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSPULSE WIDTH MODULATION (PWM)The 3851 group has a PWM func

323851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 34 Structure of PWM control registerFig. 35 PWM ou

333851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSA-D CONVERTER[A-D Conversion Registers (ADL, ADH)]003516,

343851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSWATCHDOG TIMERThe watchdog timer gives a mean of returnin

353851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSRESET CIRCUITTo reset the microcomputer, RESET pin must b

363851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 43 Internal status at resetP o r t P 0 d i r e

373851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSCLOCK GENERATING CIRCUITThe 3851 group has two built-in o

383851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 47 System clock generating circuit block diagram (S

33851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSVCC, VSSCNVSSVREFAVssRESETXINXOUTP00–P07P10–P17P20/XCOUTP2

393851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 48 State transitions of system clockC M7= 0C M6= 1C

403851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSNOTES ON PROGRAMMINGProcessor Status RegisterThe contents

413851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSDATA REQUIRED FOR MASK ORDERSThe following are necessary

423851 Group(Built-in 16 KB ROM)MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERVCCVSSVREFAVSSVIAVIHVIHVIHVIHVIHVIHVILVILVILVILVILELECTRI

433851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSTable 13 Recommended operating conditions (2)(VCC = 2.7

443851 Group(Built-in 16 KB ROM)MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERTable 14 Electrical characteristics(VCC = 2.7 to 5.5 V,

453851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSTable 15 Electrical characteristics(VCC = 2.7 to 5.5 V,

463851 Group(Built-in 16 KB ROM)MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERbitLSBtc(φ)kΩµAµAResolutionAbsolute accuracy (excluding q

473851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSTIMING REQUIREMENTSTable 17 Timing requirements (1)(VCC

483851 Group(Built-in 16 KB ROM)MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERTable 19 Switching characteristics 1(VCC = 4.0 to 5.5 V,

43851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSGROUP EXPANSIONMitsubishi plans to expand the 3851 group a

493851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSN-channel open-drain outputMeasurement output pin100pF1kΩ

503851 Group(Built-in 16 KB ROM)MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERFig. 52 Timing diagram0.2VCCtWL(INT)0.8VCCtWH(INT)0.2VCC

513851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSSymbolParameterUnitMULTI-MASTER I2C-BUS BUS LINE CHARACTE

523851 Group(Built-in 16 KB ROM)MITSUBISHI MICROCOMPUTERSSINGLE-CHIP 8-BIT CMOS MICROCOMPUTERPACKAGE OUTLINESSOP42-P-450-0.80Weight(g)–JEDEC Code0.63E

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERS3851 Group(Built-in 16 KB ROM)© 2002 MITSUBISHI ELECTRIC CORP.New publication, effective

REVISION HISTORY3851 GROUP (built-in 16 KB ROM) DATA SHEETRev. Date DescriptionPage Summary(1/1)1.0 05/15/98First Edition1.1 07/26/02Group name is cha

53851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFUNCTIONAL DESCRIPTIONCENTRAL PROCESSING UNIT (CPU)The 385

63851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSMEMORYSpecial Function Register (SFR) AreaThe Special Func

73851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSFig. 6 Memory map of special function register (SFR)0 0 2

83851 Group(Built-in 16 KB ROM)SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERMITSUBISHI MICROCOMPUTERSPinNameInput/OutputI/O Structure Non-Port FunctionRef.No.T