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CMT2380F17
Rev0.1 | 1/347
www.cmostek.com
MCU Features
1-T 80C51 CPU platform
16kB program area Flash with password access
protects. Default space configuration:
-
AP program space (13.5 kB, 0000h ~ 35FFh)
-
IAP data space (1.0 kB, 3600h ~ 39FFh)
-
ISP boot code space (1.5 kB, 3A00h ~ 3FFFh)
1 kB data memory
-
256-byte high-speed buffer
-
768-byte of extended RAM (XRAM)
-
Extended RAM (XRAM) supporting page access
On-chip debug interface (OCD)
Multiple power control modes: power-down mode, idle
mode, slow-frequency mode, sub-frequency mode,
RTC mode, watch mode, and monitor mode
-
All interrupts supporting to wake up the CPU
from IDLE mode
-
10 interrupt sources supporting to wake up the
CPU in power-down mode
-
Slow-frequency mode and sub-frequency mode
supporting low-speed MCU operation
-
RTC mode supporting real-time clock (RTC) to
wake up the CPU in power-down mode
-
Watch mode supporting watchdog (WDT) to
wake up the CPU in power-down mode
-
Monitor mode supporting BOD1 to wake up the
CPU in power-down mode
Operating frequency range: up to 25 MHz
-
External crystal oscillator mode, 0
–12 MHz at
2.0
–3.6 V and 0–25 MHz at 2.4–3.6 V
-
CPU operating frequency can reach 12 MHz at
1.8-3.6 V and 25 MHz at 2.2-3.6 V
-
When on-chip clock frequency multiplier (CKM)
is at 2.7
–3.6 V, the CPU operating frequency
can reach 36 MHz.
Double data pointer
Interrupt control
-
16 interrupt sources, 4 priority levels
-
3 external interrupts nINT0/1/2, with filtering
-
All external interrupts supporting high/low or
rising/falling edge triggering
8-channel 12-bit single-ended ADC with a sampling
rate greater than 500 ksps
1 master/slave SPI serial interface, the rate reaching 12 MHz
2 master/slave two-wire serial interfaces: TWI0/I2C0
and STWI (SI2C)
1-channel DMA engine
-
P2P, M2P, P2M
-
Memory target: XRAM
-
Peripheral targets: UART0, UART1, SPI,
TWI0/I2C0, ADC12 and CRC16
-
Timer 5 and Timer 6 are applied by DMA; they
are independent timers when DMA is not
enabled.
Totally 9/11 timers/counters on-chip
-
RTC timer and WDT timer
-
Timer 0, 1, 2, 3
-
PCA0, programmable counter array 0
-
S0BRG and S1BRG
-
When timer 2/3 is used in separated mode,
there are a total of 11 timers
8 keyboard interrupts
1 enhanced UART0 and 1 normal UART1
RF Features
Operating frequency: 127-1020 MHz
Modulation and demodulation methods: (G)FSK,
(G)MSK, OOK
Data rate: 0.5-300 kbps
Sensitivity: -121 dBm @ 434 MHz, FSK
Receive current: 8.5 mA @ 434 MHz, FSK
Transmitting current: 72 mA @ 20 dBm, 434 MHz
Configurable FIFO up to 64-Byte
System Features
Operating voltage: 1.8
– 3.6 V
Operating temperature: -40
– 85
℃
QFN40 5x5 packaging
Application
Automatic meter reading
Home security and building automation
Wireless sensor networks and industrial monitoring
ISM band data communication
CMT2380F17
Ultra Low Power Sub-1GHz Wireless MCU
Copyright © By CMOSTEK
Summary of Contents for CMT2380F17
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Page 177: ...CMT2380F17 Rev0 1 177 347 www cmostek com Figure 17 3 PCA Interrupt System...
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