Rainbow-electronics ATmega163L Manual de usuario descargar pdf (Pagina 16)

ATmega163(L)

Figure 23. On-chip Data SRAM Access Cycles

I/O Memory

The I/O space definition of the ATmega163 is shown in the following table:

Table 2. ATmega163 I/O Space

I/O Address (SRAM Address) Name Function

$3F ($5F) SREG Status REGister

$3E ($5E) SPH Stack Pointer High

$3D ($5D) SPL Stack Pointer Low

$3B ($5B) GIMSK General Interrupt MaSK Register

$3A ($5A) GIFR General Interrupt Flag Register

$39 ($59) TIMSK Timer/Counter Interrupt MaSK Register

$38 ($58) TIFR Timer/Counter Interrupt Flag Register

$37 ($57) SPMCR SPM Control Register

$36 ($56) TWCR 2-wire Serial Interface Control Register

$35 ($55) MCUCR MCU general Control Register

$34 ($54) MCUSR MCU general Status Register

$33 ($53) TCCR0 Timer/Counter0 Control Register

$32 ($52) TCNT0 Timer/Counter0 (8-bit)

$31 ($51) OSCCAL Oscillator Calibration Register

$30 ($50) SFIOR Special Function I/O Register

$2F ($4F) TCCR1A Timer/Counter1 Control Register A

$2E ($4E) TCCR1B Timer/Counter1 Control Register B

$2D ($4D) TCNT1H Timer/Counter1 High-byte

$2C ($4C) TCNT1L Timer/Counter1 Low-byte

$2B ($4B) OCR1AH Timer/Counter1 Output Compare Register A High-byte

$2A ($4A) OCR1AL Timer/Counter1 Output Compare Register A Low-byte

$29 ($49) OCR1BH Timer/Counter1 Output Compare Register B High-byte

System Clock Ø

Data

Address

T1 T2 T3 T4

Prev. Address

Read

Write

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 155 156

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Rainbow-electronics ATmega163L Manual de usuario Pagina 16