AT90LS8535-4JC Atmel, AT90LS8535-4JC Datasheet - Page 93
AT90LS8535-4JC
Manufacturer Part Number
AT90LS8535-4JC
Description
IC MCU 8K 4MHZ A/D LV 44PLCC
Manufacturer
Atmel
Series
AVR® 90LSr
Specifications of AT90LS8535-4JC
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-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Parallel Programming
Signal Names
1041H–11/01
Table 36. Supply Voltage during Programming
This section describes how to parallel program and verify Flash program memory,
EEPROM data memory, Lock bits and Fuse bits in the AT90S8535.
In this section, some pins of the AT90S8535 are referenced by signal names describing
their function during parallel programming. See Figure 67 and Table 37. Pins not
described in Table 37 are referenced by pin name.
The XA1/XA0 pins determine the action executed when the XTAL1 pin is given a posi-
tive pulse. The bit coding are shown in Table 38.
When pulsing WR or OE, the command loaded determines the action executed. The
command is a byte where the different bits are assigned functions as shown in Table 39.
Figure 67. Parallel Programming
Part
AT90S8535
AT90LS8535
RDY/BSY
+12 V
XA0
XA1
WR
OE
BS
Serial Programming
4.0 - 6.0V
2.7 - 6.0V
PD1
PD2
PD3
PD4
PD5
PD6
RESET
XTAL1
GND
AT90S8535
PB7 - PB0
VCC
+5V
AT90S/LS8535
Parallel Programming
DATA
4.5 - 5.5V
4.5 - 5.5V
93
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