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LC872H04A датащи(PDF) 3 Page - Sanyo Semicon Device |
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LC872H04A датащи(HTML) 3 Page - Sanyo Semicon Device |
3 / 28 page LC872H08A/06A/04A No.A1540-3/28 PWM: Multifrequency 12-bit PWM × 2 channels Remote Control Receiver Circuit (sharing pins with P73, INT3, and T0IN) • Noise rejection function (noise filter time constant selectable from 1 tCYC, 32 tCYC, and 128 tCYC) Clock Output Function • Can generate clock outputs with a frequency of 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 of the source clock selected as the system clock. • Can generate the source clock for the subclock Watchdog Timer • External RC watchdog timer • Interrupt and reset signals selectable Interrupts • 20 sources, 10 vector addresses 1) Provides three levels (low (L), high (H), and highest (X)) of multiplex interrupt control. Any interrupt requests of the level equal to or lower than the current interrupt are not accepted. 2) When interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level takes precedence over the other interrupts. For interrupts of the same level, the interrupt into the smallest vector address takes precedence. No. Vector Address Level Interrupt Source 1 00003H X or L INT0 2 0000BH X or L INT1 3 00013H H or L INT2/T0L/INT4 4 0001BH H or L INT3/INT5/base timer 5 00023H H or L T0H 6 0002BH H or L T1L/T1H 7 00033H H or L SIO0/UART1 receive 8 0003BH H or L SIO1/UART1 transmit 9 00043H H or L ADC/T6/T7/PWM4, PWM5 10 0004BH H or L Port 0 • Priority levels X > H > L • Of interrupts of the same level, the one with the smallest vector address takes precedence. Subroutine Stack Levels: 128levels (The stack is allocated in RAM.) High-speed Multiplication/Division Instructions • 16 bits × 8 bits (5 tCYC execution time) • 24 bits × 16 bits (12 tCYC execution time) • 16 bits ÷ 8 bits (8 tCYC execution time) • 24 bits ÷ 16 bits (12 tCYC execution time) Oscillation Circuits • Internal oscillation circuits Low-speed RC oscillation circuit : For system clock (100kHz) Medium-speed RC oscillation circuit : For system clock (1MHz) Multifrequency RC oscillation circuit : For system clock (8MHz) • External oscillation circuits Hi-speed CF oscillation circuit: For system clock, with internal Rf Low speed crystal oscillation circuit: For low-speed system clock, with internal Rf 1) The CF and crystal oscillation circuits share the same pins. The active circuit is selected under program control. 2) Both the CF and crystal oscillator circuits stop operation on a system reset. When the reset is released, only the CF oscillation circuit resumes operation. |
Аналогичный номер детали - LC872H04A |
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Аналогичное описание - LC872H04A |
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