Datasheet > ML7456N (新产品)

ML7456N (新产品)

更新时间： 2023-09-03 20:39:48

品牌	Logo	应用领域
罗姆 - ROHM		无线控制器微控制器
页数	文件大小	规格书
218页	3214K
描述
ML7456N是一款集成了微控制器和315MHz～920MHz频段无线单元的Sub-GHz低功耗无线LSI。ML7456N的无线单元相当于ML7414，微控制器单元配备了蓝碧石自有的16bit CPU内核、64KB Flash ROM和8KB RAM。

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数据手册

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ML7456N (新产品) 数据手册

FEDL7456N-03

ML7456N

・

Standard mode (100 kbit/s), fast mode (400 kbit/s) and 1Mbps mode(1Mbit/s)

Clock stretch function

7bit address format

⚫

I²C bus Master

・ Channel: 1 channel

・ Standard mode (100 kbit/s), fast mode (400 kbit/s) and 1Mbps mode(1Mbit/s)

・ Handshake (Clock synchronization)

・ 7bit address format (10bit address format is supported)

General-purpose ports (GPIO)

・ I/O port: Max. 15 (Including one pin for on-chip debug and pins for other shared functions)

・ Input port: Max. 2 (Including a shared function)

・ External interrupt port: Max. 6

・ LED driver port : Max. 12

・ Carrier frequency output function (for IR communication)

⚫

Successive approximation type A/D converter(SA-ADC)

・ Channel: Max. 5 channels

・ Resolution: 10bit

・ Conversion time: Min. 2.25μs/channel (When the conversion clock speed is 8MHz)

・ Reference voltages are selectable

(V_DDpin / Internal reference voltage(V_REFI= Approximately 1.55V) / External reference voltage (V_REFpin) )

・ Selected channel repeat conversion

・ Dedicated result register for each channel

・ Interrupt determining by upper limit or lower limit threshold of conversion result

⚫

Voltage Level Supervisor (VLS)

・ Accuracy: ±4%

・ Threshold voltage: 12 selectable (from 1.85V to 4.00V)

・ Functional Voltage level detection reset (VLS reset)

・ Functional Voltage level detection interrupt (VLS0 interrupt)

⚫

Analog comparator

・ Channel: Max. 2 channels

・ Selectable interrupt from the comparator output (rising edge or falling edge)

・ Comparable with external input and internal reference voltage (0.8V)

D/A converter

・ Channel: Max. 1 channel

・ Resolution: 8bit

・ Output impedance: 6k ohm (Typ.)

・ R-2R ladder type

⚫

Buzzer

・ 4 buzzer mode (Continuous sound, Single sound, Intermittent sound 1 and Intermittent sound 2)

・

frequencies (4.096kHz to 293Hz)

・ 15 step duty (1/16 to 15/16)

・ Selectable from positive logic buzzer output or negative logic buzzer output

CRC(Cyclic Redundancy Check) generator

・ Generation equation: X¹⁶+X¹²+X⁵+1

・ Selectable from LSB first or MSB first

・ Built-in Automatic program memory CRC calculation mode in HALT mode

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