User manual

10. DC Characteristics
DC Characteristics
Ambient temperature 25°C, unless otherwise indicated.
Symbol Description Parameter Min. Typ. Max. Unit
Vcc Operating Voltage 3.0 3.3 3.6 V
Vres Reset Threshold 2.9 V
tres Duration of Reset Pulse 150 280 ms
V
IH
High-Level Input Voltage 2 Vcc+
0.3
V
V
IL
Low-Level Input Voltage -0.3 0.8 V
Icc Operating current 65 mA
in normal operation max 110 mA
Vbatt Battery Voltage for RTC 2.0 3 Vcc V
Ibatt Battery current with operating
voltage turned off
Battery Voltage = 3V
Ambient temp. = 25°C
5 µA
Ambient temp. = 70°C 17 µA
Ambient temp. = 85°C 22 µA
Clocks Characteristics
Symbol Description Dependency Admissible
Range or
Tolerance
Typical
Value.
Unit
MAINCK Main Oscillator frequency 18.4320 MHz
SLCK Slow Clock 32768 Hz
PLLACK PLLA Clock = MAINCK * 13 239.616
PCK Processor Clock = PLLACK 239.616 MHz
MCK Master Clock = PCK / 2 119.808 MHz
SDCK SDRAM Clock = MCK 119.808
BCK Baudrate Clock = MCK / 65 1.5% 1.84320 MHz
LCDCK LCD Dot Clock
Sharp LQ035Q7DH03 = MCK / 25 4.5..6.8 4.7923 MHz
EDT ET035005DM6 = MCK / 19 6.3057 MHz
PLLBCK PLLB Clock = MAINCK / 14*73 0,25% 96.110 MHz
USBCK USB Clock = PLLBCK / 2 48.055 MHz