PDF SC9351 Data sheet ( Hoja de datos )

Número de pieza	SC9351
Descripción	Audio System Control MCU
Fabricantes	Silan
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No Preview Available ! www.DataSheet4U.com SC9351 AUDIO SYSTEM CONTROL MCU DESCRIPTION SC9351 is an 8051-based MCU with built-in 64KByte FLASH, 8KByte RAM and abundant on-chip periphery modules including I2C, UART, SPI, ADC and RTC, etc. FEATURES * In system programming(ISP) * 2.7-3.6V supply voltage for chip core, together with internal or external LDO. * 8051 architecture compatible with MCS51 instructions 2~4 clock cycles for per instruction Dual data pointer to improve the data processing efficiency * Built-in 64Kx8 FLASH programmed by on-chip program or programmer for program memory or data memory * Data memory IDATA : 256Byte(compatible with 8051) + 64Byte(save data when power down) XDATA: 8Kbyte external data memory, low 4K of which can be program memory for Flash programming * Integrate RTC providing calendar, clock, auto leap-year adjustment, timing alarm clock and clock adjustment. Built-in 8-bit timer for max. 256 seconds long time timing. * Maximum 40 general IO pins * Four 8-bit timers T0/T1/T2/T3, where T0/T1 is the same as that of 8051; T2 supports PWM function * Extended interrupt module with four external interrupts * Two UART interfaces. * One SPI interface. * 3-channel 8-bit AD converter. * One I2C interface * Various operating modes with low power dissipation LQFP-64-10x10-0.5 APPLICATIONS * Desktop audio, car audio ORDERING INFORMATION Part No. SC9351 Package LQFP-64-10 x 10-0.5 Marking SC9351 Resource list Part No. Timer ADC channel SPI SC9351 4 3 1 Note 1: three pins of P7 port are shared with debug ports. UART 2 External I2C IO Qty.Note1 interrupt 1 40 4 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn REV:1.0 2009.02.16 Page 1 of 19 1 page www.DataSheet4U.com PIN CONFIGURATION SC9351 PIN DESCRIPTION Pin No. Pin Name 1 P2.2 2 VSSA 3 VDDA 4~6 AN0~AN2 7 VSS 8 VDD 9 XTIN 10 XTOUT 11 nTST 12 nRST 13 P2.4/INT0 I/O Pin Function In extended bus mode, output notDMRD; alternate function is external I/O interrupt InT2 -- Ground of ADC -- Power supply of ADC Input channel 0~2 of ADC -- Digital ground -- Power supply of IO, RTC and 64Byte RAM I 75KHz oscillator input pin O 75KHz oscillator output pin Test enable pin internally connected with pull-up resistor; High level is I connected for normal use. I Reset pin internally connected with pull-up resistor; low level reset. I/O General I/O pin; alternate function is external interrupt input INT0 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn REV:1.0 2009.02.16 Page 5 of 19 5 Page www.DataSheet4U.com SC9351 Address 7CH 7DH 7EH 7FH Name WEEK_ALARM CLKOUT_CTRL TMCON TMREF WDT register 84H WDT_CTRL 85H WDT_CLR0 86H WDT_CLR1 91H SLEEP_CTRL 92H SYS_STATUS Register extension setting register 93H CS_SFR RAM extension setting register 94H CS_INTDM Port multiplex control register 96H IOMUX Interrupt register 97H ICR_I 9AH ISR_I 9BH IPR_I 9CH IER_I 9DH IPLSR0_I 9EH IPLSR1_I 9FH IPLSR2_I A1H IPLSR3_I Flash program register A5H FSHWRADRH A6H FSHWRADRL A7H FSHWRDATA A9H FSHWRCON1 AAH FSHWRCON2 ABH FSHERSCON1 ACH FSHERSCON2 ADH FSHTIMER AEH FlashCtrl SPI register B1H SPICR B2H SPISR B3H SPIBUF B4H SPIBR R/W Description R/W WEEK alarm control register R/W CLKOUT control register R/W RTC built-in timer control R/W Initial value of RTC built-in timer R/W WDT control register W WDT clear register 0 W WDT clear register 1 R/W Sleep mode control register R/W System status register W Access switch control register of data area 30~7F W Access switch control register of data area C0~FFH R/W IOPort multiplex control register R/W Interrupt mask control register R Interrupt status register R Internal interrupt source identification register INT1 extension interrupt (generated by internal R/W modules) enable control R/W Interrupt priority selection register 4 R/W Interrupt priority selection register 3 R/W Interrupt priority selection register 2 R/W Interrupt priority selection register 1 R/W High 8-bit address register of FLASH write R/W Low 8-bit address register of FLASH write R/W FLASH write data register R/W FLASH write control register 1 R/W FLASH write control register 2 R/W FLASH erase control register 1 R/W FLASH erase control register 2 R/W FLASH write/erase prescaler control register R/W FLASH switch control register R/W SPI control register R SPI status register W/R SPI transmit/receive buffer R/W SPI baud rate setting register HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: //www.silan.com.cn REV:1.0 2009.02.16 Page 11 of 19 11 Page

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