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ML51/ML54/ML56
Sep. 01, 2020
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Rev 2.00
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ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
Supports trigger ADC on the following events
RTC
Supports real time counter and calendar counter for RTC
time and calendar check.
Supports alarm time and calendar settings
Supports alarm time and calendar mask enable settings.
Selectable 12-hour or 24-hour time scale setting.
Supports Leap Year indication setting.
Supports Day of the Week counter setting.
Frequency of RTC clock source compensate by
RTC_FREQADJ register.
All time and calendar message expressed in BCD format.
Supports periodic RTC Time Tick interrupt with 8 period
interval options 1/128, 1/64, 1/32, 1/16, 1/8, 1/4, 1/2 and 1
second.
Supports RTC Time Tick and Alarm Match interrupt.
Supports chip wake-up from Idle or Power-down mode while
a RTC interrupt signal is generated.
Support clock source selectable from LXT or LIRC.
Analog Interfaces
Analog-to-Digital Converter
(ADC)
Analog input voltage range: 0 ~ AV
DD
.
External or internal Voltage reference input selectable.
12-bit resolution and 10-bit accuracy is guaranteed.
Up to 16 single-end analog input channels
1 internal channels, they are band-gap voltage (VBG).
Maximum ADC peripheral clock frequency is 1 MHz.
Up to 500 KSPS sampling rate.
Software Write 1 to ADCS bit to trig ADC start.
External pin (STADC) trigger
PWM trigger.
Communication Interfaces
UART
Supports up to 2 UARTs: UART0, UART1
Supports 2 Smart Card configuration as UART function as
UART2 and UART3.
UART baud rate clock from HIRC or HXT.
Full-duplex asynchronous communications
Programmable 9
th
bit.
TXD and RXD pins of UART0 exchangeable via software.