ATMEGA32HVB-8X3 Atmel, ATMEGA32HVB-8X3 Datasheet - Page 238

• 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

Figure 32-1. Two-wire Serial Bus Timing
32.14 SPI Timing Characteristics
Table 32-16. SPI Timing Parameters
Note:
8042B–AVR–06/10
SCL
SDA
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
1. Refer to
t
Description
SCK period
SCK high/low
Rise/Fall time
Setup
Hold
Out to SCK
SCK to out
SCK to out high
SS low to out
SCK period
SCK high/low
Rise/Fall time
Setup
Hold
SCK to out
SCK to SS high
SS high to tri-state
SS low to SCK
SU;STA
”Serial Programming” on page 211
(1)
See
Figure 32-2 on page 239
t
HD;STA
t
t
of
LOW
t
HIGH
t
for serial programming requirements.
HD;DAT
Mode
Master
Master
Master
Master
Master
Master
Master
Master
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
and
Figure on page 239
t
LOW
4 • t
2 • t
t
SU;DAT
ck
ck
Min
10
20
20
t
+ 40 ns
+ 20 ns
ck
ATmega16HVB/32HVB
for details.
See
50% duty
0.5 • t
Typ
3.6
1.6
10
10
10
10
15
15
10
Figure
sck
t
SU;STO
t
r
Max
t
BUF
Units
ns
µs
ns
238