Description:
■ 1T High-Speed 8-Bit 8051 CORE
■ Support C Language and IAR, KEIL, SDCC Complier
■ Support ISP (In-System Programming)
■ Flash Programming through I2C
■ Fast Speed Power On Initialization, normal 20ms and 10ms on POR disabled
■ Operation Temperature : Industrial Grade (-40℃ to +85℃ )
Specification:
Core:
■ 1T High-Speed 8-Bit 8051 CORE
■ Support C Language and IAR, KEIL, SDCC Complier
■ Operation Temperature : Industrial Grade (-40℃ to +85℃ )
■ CPU Clock Sources:
■ External Oscillator (up to 20MHz)
■ External RC Oscillator (up to 20MHz)
■ Internal RC Oscillator 8MHz / 11 MHz ±2.5%
MS89F309 opeartion range:
■ Ext. Clock : 20 MHz , 4.5~5.5V
■ ERC Freq. : 20 MHz , 4.5~5.5V
■ Internal Clcok: 8 MHz or 11MHz ±2.5 % , 4.5~5.5V
(IRC Clock optional 8MHz or 11MHz)
MS89L309 opeartion range:
■ Ext. Clock : 20 MHz , 2.4 ~3.6 V
■ ERC Freq. : 20 MHz , 2.4 ~3.6 V
■ Internal Clcok: 8 MHz or 11MHz ±2.5 % , 2.4 ~3.6 V
(IRC Clock optional 8MHz or 11MHz)
■ Fast Speed Power On Initialization, normal 20ms and 10ms
■ Hardware envirnoment detection:
■ Low Voltage Detection LVD
■ Low Voltage Stop LVS
■ Low Voltage Reset LVR
■ Power On Reset POR , can be Disabled
■ 3 x 16 Bit Timer (T0/T1/T2)
■ Watchdog Timer.
■ 1 External Interrupt Source: INT0B
■ 5 Interrupt Sources : I/O / Timer / WDT / I2C/ INT0
■ Wake Up by INT0/I2C/WDT
■ Comparor
Memory:
■ Maximum 8K Bytes & 124Bytes Flash ROM :
■ 2K Bytes / Block
■ 512 Bytes Internal RAM :
■ 256 Bytes IRAM
■ 256 Bytes XRAM.
■ XRAM can be used by program
■ Maximum 6 I/O Port.
■ Power saving mode:
■ Standby mode
■ Stop mode.
■ Low Power on Stop Mode : Under 10uA.
■ Support ISP (In-System Programming)
■ Flash Programming through I2C
■ Independence 124 Bytes such as E2PROM.
■ Flexible Data Flash & Program Flash Size for 2K / 4K / 6K
■ Meet 100,000 times Read & Write
■ Hardware Code Protection & Specific Programmer.
■ Protect consumer code.
Interface:
■ UART:
■ Full Duplex , 250K/125Kbps at 8M Hz
■ 115.2K bps at IRC 11 MHz
■ 2 x I2C Port, Programmable as Master / Slave
■ SPI Port, Programmable as Master / Slave
■ 1 x programmable PWM (7~10Bit)
■ 1 External Interrupt Source: INT0B
ADC:
■ 4 x 10 Bits ADC, 128K SPS / 8MHz
■ ADC can select
■ internal 4 Levels Band Gap Reference Voltage
■ External Reference Voltage
Package:
■ DIP / SOP 8 PIN