ATMEGA32HVB-8X3 Atmel, ATMEGA32HVB-8X3 Datasheet - Page 266
ATMEGA32HVB-8X3
Manufacturer Part Number
ATMEGA32HVB-8X3
Description
MCU AVR 32KB FLASH 8MHZ 44TSSOP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32HVB-8X3
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI
Peripherals
POR, WDT
Number Of I /o
17
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 25 V
Data Converters
A/D 7x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TSSOP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, TWI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
17
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRSB200
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 7 Channel
Package
44TSSOP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
Operating Supply Voltage
5|9|12|15|18|24 V
For Use With
ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA32HVB-8X3
Manufacturer:
Atmel
Quantity:
408
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38. Errata
38.1
38.1.1
38.1.2
38.2
38.2.1
38.2.2
8042B–AVR–06/10
ATmega16HVB
ATmega32HVB
Rev. B
Rev. A
Rev. B
Rev. A
Stack Pointer initial value
The stack pointer in ATmega16HVB is incorrectly initialized to 0x08ff instead of 0x04ff.
TWI bus can get stuck if TWI STOP condition bit is set in slave mode
If the TWSTO bit in TWCR is set while the TWI starts to receive data in slave mode, it can result
in pulling the SCL pin low and then the TWI bus will get stuck. To release the SCL pin and get
out of this situation the TWI module needs to be disabled and then re-enabled.
Not sampled.
No known errata.
Not sampled.
Problem Fix/Workaround
Initialize the stack pointer in software before the stack is used. Most C-compilers does initial-
ize the stack pointer without manual intervention.
Assembly Code Example:
ldi r16,high(RAMEND) ; Main program start out SPH,r16 ; Set Stack Pointer to top of RAM
ldi r16,low(RAMEND) out SPL,r16 C Code Example (if required): SP = RAMEND;
Problem Fix/Workaround
While in slave mode the TWSTO bit should be written only to recover from an error condition
and then cleared before a data transfer starts.
ATmega16HVB/32HVB
266
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