ATMEGA16HVA-4TU Atmel, ATMEGA16HVA-4TU Datasheet - Page 121

• Manufacturer Part Number: ATMEGA16HVA-4TU
• Description: MCU AVR 16K FLASH 4MHZ 28-TSOP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA16HVA-4TU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 7
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 9 V
• Data Converters: A/D 5x12b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 28-TSOP
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8024A–AVR–04/08
Figure 22-1. Voltage regulator block diagram, combined Step-up and Linear mode
Figure 22-2. Voltage regulator operation and reset signals as a function of rising and falling
Regulator operation
VFET
BATT
Power-on Reset
DUVR mode
Chip Reset
V
3,3V
DUVR
CHARGER
5V
DETECT
DRIVER
VREF
NFET
CLK
input voltage for 1-cell operation.
Charger is connected
disabled
4/8/16/32/64/128/256/512 ms
VIN
VREF
CLK
STARTED
ENABLE
DUALC_MODE
Regulator
Voltage
T
POT
charge pumping
VIN
VREF
ENABLE
STARTED
DCDC-CTRL
DUALC_MODE
STEP_UP_EN
LIN_EN
SW controlled
linear operation
V
IN
ATmega8HVA/16HVA
VIN
VREF
CLK
ENABLE
VIN
VREF
ENABLE
STEP-UP-REG
charge pumping
LIN-REG
CF1
CF2
VOUT
VOUT
V
REG
disabled
VREG
CREG
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