鈥?/div>
Internal pull-up resistor
Internal pull-down resistor
Internal pull-down resistor
Interface to ATR0601,
Schmitt trigger input
PIO-controlled after reset
Open drain with internal pull-up
resistor
Core voltage 1.8V
Variable IO voltage 1.65V to 3.6V
USB voltage 0 to 2.0V or
3.0V to 3.6V
(1)
Ground
2.3V to 3.6V
1.5V to 3.6V
1.8V backup voltage
2.3V to 3.6V
1.8V core voltage, max. 80 mA
Internal pull-up resistor
Internal pull-up resistor
JTAG/ICE
CLOCK
CLK23
MCLK_OUT
RESET
NRESET
VDD18
VDDIO
POWER
VDD_USB
GND
LDOBAT_IN
LDOBAT
VBAT
VBAT18
LDO_IN
LDO18
Note:
LDO_OUT
LDO_EN
1. The USB transceiver is disabled if VDD_USB < 2.0V. In this case the pins USB_DM and USB_DP are connected to GND
(internal pull-down resistors). The USB transceiver is enabled if VDD_USB is within 3.0V and 3.6V.
8
ATR0622 [Preliminary]
4891CS鈥揋PS鈥?1/06