Manual
Table Of Contents
- Features
- Description
- Architectural Overview
- General-purpose Register File
- ALU – Arithmetic Logic Unit
- In-System Programmable Flash Program Memory
- EEPROM Data Memory
- SRAM Data Memory
- Program and Data Addressing Modes
- Register Direct, Single Register Rd
- Register Direct, Two Registers Rd and Rr
- I/O Direct
- Data Direct
- Data Indirect with Displacement
- Data Indirect
- Data Indirect with Pre- decrement
- Data Indirect with Post- increment
- Constant Addressing Using the LPM Instruction
- Indirect Program Addressing, IJMP and ICALL
- Relative Program Addressing, RJMP and RCALL
- Memory Access and Instruction Execution Timing
- I/O Memory
- Reset and Interrupt Handling
- Reset Sources
- Power-on Reset
- External Reset
- Watchdog Reset
- MCU Status Register – MCUSR
- Interrupt Handling
- General Interrupt Mask Register – GIMSK
- General Interrupt Flag Register – GIFR
- Timer/Counter Interrupt Mask Register – TIMSK
- Timer/Counter Interrupt FLAG Register – TIFR
- External Interrupt
- Interrupt Response Time
- MCU Control Register – MCUCR
- Sleep Modes
- Timer/Counter
- Watchdog Timer
- EEPROM Read/Write Access
- I/O Port B
- Memory Programming
- Electrical Characteristics
- Typical Characteristics
- AT90S2323/2343 Register Summary
- Ordering Information
- Packaging Information
54
AT90S/LS2323/2343
1004D–09/01
Note: Sink and source capabilities of I/O ports are measured on one pin at a time.
Figure 48. Pull-up Resistor Current vs. Input Voltage
Figure 49. Pull-up Resistor Current vs. Input Voltage
0
20
40
60
80
100
120
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
V = 5V
cc
I (µA)
OP
V (V)
OP
T = 85˚C
A
T = 25˚C
A
0
5
10
15
20
25
30
0 0.5 1 1.5 2 2.5 3
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
I (µA)
OP
V (V)
OP
V = 2.7V
cc
T = 85˚C
A
T = 25˚C
A