AT90LS2333-4AC Atmel, AT90LS2333-4AC Datasheet - Page 72
![IC MCU 2K 4MHZ A/D LV 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
AT90LS2333-4AC
Manufacturer Part Number
AT90LS2333-4AC
Description
IC MCU 2K 4MHZ A/D LV 32TQFP
Manufacturer
Atmel
Series
AVR® 90LSr
Datasheet
1.AT90LS2333-4AC.pdf
(103 pages)
Specifications of AT90LS2333-4AC
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
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
32-TQFP, 32-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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The Program and Data memory arrays on the AT90S2333/4433 are programmed byte-by-byte in either programming
modes. For the EEPROM, an auto-erase cycle is provided within the self-timed write instruction in the serial programming
mode. During programming, the supply voltage must be in accordance with Table 29.
Table 29. Supply voltage during programming
Parallel Programming
This section describes how to parallel program and verify Flash Program memory, EEPROM Data memory, Lock bits and
Fuse bits in the AT90S2333/4433.
Signal Names
In this section, some pins of the AT90S2333/4433 are referenced by signal names describing their function during parallel
programming. See Figure 62 and Table 30. Pins not described in Table 30 are referenced by pin names.
The XA1/XA0 pins determine the action executed when the XTAL1 pin is given a positive pulse. The bit coding are shown
in Table 31.
When pulsing WR or OE, the command loaded determines the action executed. The Command is a byte where the differ-
ent bits are assigned functions as shown in Table 32.
Figure 62. Parallel Programming
72
Part
AT90LS2333
AT90S2333
AT90LS4433
AT90S4433
AT90S/LS2333 and AT90S/LS4433
Serial programming
2.7 - 6.0 V
4.0 - 6.0 V
2.7 - 6.0 V
4.0 - 6.0 V
RDY/BSY
+12V
XA0
XA1
WR
OE
BS
PD1
PD2
PD3
PD4
PD5
PD6
RESET
XTAL1
GND
AT90S2333/4433
PC1 - PC0,
PB5 - PB0
VCC
+5V
Parallel programming
4.5 - 5.5 V
4.5 - 5.5 V
4.5 - 5.5 V
4.5 - 5.5 V
DATA
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