CPU
CPUCPU
ATtiny402 peripherals
Each block of the ATtiny402: what it is, the registers that control it and the pins it uses.
PORTA
PORTI/O Ports
Registers
TCA0
TCA16-bit Timer/Counter Type A
Registers
CTRLA0xA00CTRLA0xA00CTRLB0xA01CTRLB0xA01CTRLC0xA02CTRLC0xA02CTRLD0xA03CTRLD0xA03CTRLECLR0xA04CTRLECLR0xA04CTRLESET0xA05CTRLESET0xA05CTRLFCLR0xA06CTRLFSET0xA07EVCTRL0xA09INTCTRL0xA0AINTCTRL0xA0AINTFLAGS0xA0BINTFLAGS0xA0BDBGCTRL0xA0EDBGCTRL0xA0ETEMP0xA0FCNT0xA20LCNT0xA20HCNT0xA21LPER0xA26PER0xA26HPER0xA27CMP00xA28LCMP00xA28HCMP00xA29CMP10xA2ALCMP10xA2AHCMP10xA2BCMP20xA2CLCMP20xA2CHCMP20xA2DPERBUF0xA36CMP0BUF0xA38CMP1BUF0xA3ACMP2BUF0xA3C
Pins
TCB0
TCB16-bit Timer Type B
Registers
CTRLA0xA40CTRLB0xA41EVCTRL0xA44INTCTRL0xA45INTFLAGS0xA46STATUS0xA47DBGCTRL0xA48TEMP0xA49CNT0xA4ACCMP0xA4C
Pins
USART0
USARTUniversal Synchronous and Asynchronous Receiver and Transmitter
Registers
RXDATAL0x800RXDATAH0x801TXDATAL0x802TXDATAH0x803STATUS0x804CTRLA0x805CTRLB0x806CTRLC0x807BAUD0x808DBGCTRL0x80BEVCTRL0x80CTXPLCTRL0x80DRXPLCTRL0x80E
Pins
SPI0
SPISerial Peripheral Interface
Registers
Pins
TWI0
TWITwo-Wire Interface
Registers
CTRLA0x810DBGCTRL0x812MCTRLA0x813MCTRLB0x814MSTATUS0x815MBAUD0x816MADDR0x817MDATA0x818SCTRLA0x819SCTRLB0x81ASSTATUS0x81BSADDR0x81CSDATA0x81DSADDRMASK0x81E
Pins
ADC0
ADCAnalog to Digital Converter
Registers
CTRLA0x600CTRLB0x601CTRLC0x602CTRLD0x603CTRLE0x604SAMPCTRL0x605MUXPOS0x606COMMAND0x608EVCTRL0x609INTCTRL0x60AINTFLAGS0x60BDBGCTRL0x60CTEMP0x60DRES0x610WINLT0x612WINHT0x614CALIB0x616
Pins
AC0
ACAnalog Comparator
Registers
Pins
WDT
WDTWatch-Dog Timer
Registers
BOD
BODBod interface
Registers
CCL
CCLConfigurable Custom Logic
Registers
CTRLA0x1C0SEQCTRL00x1C1LUT0CTRLA0x1C5LUT0CTRLB0x1C6LUT0CTRLC0x1C7TRUTH00x1C8LUT1CTRLA0x1C9LUT1CTRLB0x1CALUT1CTRLC0x1CBTRUTH10x1CC
Pins
CLKCTRL
CLKCTRLClock controller
Registers
MCLKCTRLA0x60MCLKCTRLB0x61MCLKLOCK0x62MCLKSTATUS0x63OSC20MCTRLA0x70OSC20MCALIBA0x71OSC20MCALIBB0x72OSC32KCTRLA0x78
Pins
CPUINT
CPUINTInterrupt Controller
Registers
CRCSCAN
CRCSCANCRCSCAN
Registers
EVSYS
EVSYSEvent System
Registers
ASYNCSTROBE0x180SYNCSTROBE0x181ASYNCCH00x182ASYNCCH10x183SYNCCH00x18ASYNCCH10x18BASYNCUSER00x192ASYNCUSER10x193ASYNCUSER20x194ASYNCUSER30x195ASYNCUSER40x196ASYNCUSER50x197ASYNCUSER60x198ASYNCUSER70x199ASYNCUSER80x19AASYNCUSER90x19BASYNCUSER100x19CSYNCUSER00x1A2
Pins
GPIO
GPIOGeneral Purpose IO
Registers
NVMCTRL
NVMCTRLNon-volatile Memory Controller
Registers
PORTMUX
PORTMUXPort Multiplexer
Registers
RSTCTRL
RSTCTRLReset controller
Registers
Pins
RTC
RTCReal-Time Counter
Registers
SIGROW
SIGROWSignature row
Registers
SLPCTRL
SLPCTRLSleep Controller
Registers
SYSCFG
SYSCFGSystem Configuration Registers
Registers
Pins
USERROW
USERROWUser Row
Registers
USERROW00x1300USERROW10x1301USERROW20x1302USERROW30x1303USERROW40x1304USERROW50x1305USERROW60x1306USERROW70x1307USERROW80x1308USERROW90x1309USERROW100x130AUSERROW110x130BUSERROW120x130CUSERROW130x130DUSERROW140x130EUSERROW150x130FUSERROW160x1310USERROW170x1311USERROW180x1312USERROW190x1313USERROW200x1314USERROW210x1315USERROW220x1316USERROW230x1317USERROW240x1318USERROW250x1319USERROW260x131AUSERROW270x131BUSERROW280x131CUSERROW290x131DUSERROW300x131EUSERROW310x131F
VPORTA
VPORTVirtual Ports
Registers
VPORTB
VPORTVirtual Ports
Registers
VPORTC
VPORTVirtual Ports
Registers
VREF
VREFVoltage reference