AT90LS4433-4PI Atmel, AT90LS4433-4PI Datasheet - Page 17
AT90LS4433-4PI
Manufacturer Part Number
AT90LS4433-4PI
Description
IC MCU 4K FLSH 4MHZ A/D LV 28DIP
Manufacturer
Atmel
Series
AVR® 90LSr
Datasheet
1.AT90S4433-8AC.pdf
(126 pages)
Specifications of AT90LS4433-4PI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
20
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6 V
Data Converters
A/D 6x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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I/O Memory
1042H–AVR–04/03
Figure 23. On-chip Data SRAM Access Cycles
The I/O space definition of the AT90S4433 is shown in Table 2.
Table 2. AT90S4433 I/O Space
(SRAM Address)
System Clock Ø
I/O Address
$3D ($5D)
$2D ($4D)
$2C ($4C)
$1D ($3D)
$1C ($3C)
$3B ($5B)
$3A ($5A)
$2E ($4E)
$2B ($4B)
$2A ($4A)
$1E ($3E)
$3F ($5F)
$2F ($4F)
$39 ($59)
$38 ($58)
$35 ($55)
$34 ($54)
$33 ($53)
$32 ($52)
$27 ($47)
$26 ($46)
$21 ($41)
$18 ($38)
Address
Data
Data
WR
RD
Name
SREG
SP
GIMSK
GIFR
TIMSK
TIFR
MCUCR
MCUSR
TCCR0
TCNT0
TCCR1A
TCCR1B
TCNT1H
TCNT1L
OCR1H
OCR1L
ICR1H
ICR1L
WDTCR
EEAR
EEDR
EECR
PORTB
Prev. Address
T1
(1)
Stack Pointer
General Interrupt MaSK Register
General Interrupt Flag Register
Timer/Counter Interrupt MaSK Register
MCU general Control Register
MCU general Status Register
Timer/Counter1 Output Compare Register Low Byte
EEPROM Address Register
Function
Status Register
Timer/Counter Interrupt Flag Register
Timer/Counter0 Control Register
Timer/Counter0 (8-bit)
Timer/Counter1 Control Register A
Timer/Counter1 Control Register B
Timer/Counter1 High Byte
Timer/Counter1 Low Byte
Timer/Counter1 Output Compare Register High Byte
Timer/Counter1 Input Capture Register High Byte
Timer/Counter 1 Input Capture Register Low Byte
Watchdog Timer Control Register
EEPROM Data Register
EEPROM Control Register
Data Register, Port B
Address
T2
T3
AT90S/LS4433
T4
17
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