AT90LS8535-4MC Atmel, AT90LS8535-4MC Datasheet - Page 103

• Manufacturer Part Number: AT90LS8535-4MC
• Description: IC MCU 8K FLASH 4MHZ COM 44-QFN
• Manufacturer: Atmel
• Series: AVR® 90LSr

Specifications of AT90LS8535-4MC

• 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: 32
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-VQFN Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Serial Programming
Characteristics
1041H–11/01
Figure 73. Serial Programming Timing
Table 43. Serial Programming Characteristics, T
(unless otherwise noted)
Table 44. Minimum Wait Delay after the Chip Erase instruction
Table 45. Minimum Wait Delay after Writing a Flash or EEPROM Location
Symbol
t
Symbol
t
Symbol
WD_ERASE
WD_PROG
1/t
1/t
t
t
t
t
t
t
t
OVSH
SHOX
CLCL
CLCL
SHSL
SLSH
SLIV
CLCL
CLCL
Parameter
Oscillator Frequency (V
Oscillator Period (V
Oscillator Frequency (V
Oscillator Period (V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
MOSI
MISO
SCK
18 ms
3.2V
9 ms
3.2V
t
CC
CC
OVSH
= 2.7 - 4.0V)
= 4.0 - 6.0V)
CC
CC
= 2.7 - 6.0V)
= 4.0 - 6.0V)
t
SHSL
14 ms
3.6V
7 ms
3.6V
t
SHOX
A
= -40 ° C to 85 ° C, V
2.0 t
2.0 t
2.0 t
250.0
125.0
t
10.0
Min
CLCL
t
SLSH
0
0
CLCL
CLCL
CLCL
AT90S/LS8535
t
SLIV
6 ms
4.0V
12 ms
4.0V
16.0
Typ
CC
Max
32.0
4.0
8.0
= 2.7 - 6.0V
4 ms
5.0V
8 ms
5.0V
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
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