AT90S2333-8PC Atmel, AT90S2333-8PC Datasheet - Page 78
![IC MCU 2K FLSH 8MHZ A/D 28DIP](/photos/7/21/72189/453-28-dip_sml.jpg)
AT90S2333-8PC
Manufacturer Part Number
AT90S2333-8PC
Description
IC MCU 2K FLSH 8MHZ A/D 28DIP
Manufacturer
Atmel
Series
AVR® 90Sr
Datasheet
1.AT90LS2333-4AC.pdf
(103 pages)
Specifications of AT90S2333-8PC
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
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)
4 V ~ 6 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Table 33. Parallel Programming Characteristics T
Notes:
Serial Downloading
Both the Program and Data memory arrays can be programmed using the SPI bus while RESET is pulled to GND. The
serial interface consists of pins SCK, MOSI (input) and MISO (output), see Figure 66. After RESET is set low, the Program-
ming Enable instruction needs to be executed first before program/erase instructions can be executed.
Figure 66. Serial Programming and Verify
78
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
DVXH
XHXL
XLDX
XLWL
BVWL
RHBX
WLWH
WHRL
WLRH
XLOL
OLDV
OHDZ
WLWH_CE
WLWH_PFB
PP
1. Use t
2. If t
AT90S/LS2333 and AT90S/LS4433
WLWH
Parameter
Programming Enable Voltage
Programming Enable Current
Data and Control Setup before XTAL1 High
XTAL1 Pulse Width High
Data and Control Hold after XTAL1 Low
XTAL1 Low to WR Low
BS Valid to WR Low
BS Hold after RDY/BSY High
WR Pulse Width Low
WR High to RDY/BSY Low
WR Low to RDY/BSY High
XTAL1 Low to OE Low
OE Low to DATA Valid
OE High to DATA Tristated
WR Pulse Width Low for Chip Erase
WR Pulse Width Low for Programming the Fuse
Bits
WLWH_CE
is held longer than
for Chip Erase and
(1)
t
WLRH
(2)
(2)
, no RDY/BSY pulse will be seen.
t
WLWH_PFB
1 to 8 MHz
DATA OUT
CLOCK IN
INSTR. IN
GND
A
= 25 C ± 10%, V
for Programming the Fuse Bits.
PB4(MISO)
PB3(MOSI)
PB5(SCK)
RESET
XTAL2
XTAL1
GND
AT90S2333/4433
11.5
Min
0.5
1.0
67
67
67
67
67
67
67
67
5
CC
VCC
=5V ± 10%
+2.7 - 6.0 V
Typ
0.7
1.5
20
20
10
Max
12.5
250
0.9
1.8
20
15
Units
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
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