Rainbow-electronics AT90LS4433 Bedienungsanleitung PDF herunterladen (Seite 17)

AT90S/LS4433

1042G–AVR–09/02

Figure 23. On-chip Data SRAM Access Cycles

I/O Memory The I/O space definition of the AT90S4433 is shown in Table 2.

System Clock Ø

Data

Address

T1 T2 T3 T4

Prev. Address

Read

Write

Table 2. AT90S4433 I/O Space

(1)

I/O Address

(SRAM Address) Name Function

$3F ($5F) SREG Status Register

$3D ($5D) SP Stack Pointer

$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

$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)

$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) OCR1H Timer/Counter1 Output Compare Register High Byte

$2A ($4A) OCR1L Timer/Counter1 Output Compare Register Low Byte

$27 ($47) ICR1H Timer/Counter1 Input Capture Register High Byte

$26 ($46) ICR1L Timer/Counter 1 Input Capture Register Low Byte

$21 ($41) WDTCR Watchdog Timer Control Register

$1E ($3E) EEAR EEPROM Address Register

$1D ($3D) EEDR EEPROM Data Register

$1C ($3C) EECR EEPROM Control Register

$18 ($38) PORTB Data Register, Port B

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 124 125

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Rainbow-electronics AT90LS4433 Bedienungsanleitung Seite 17