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LC87F2932A データシート(PDF) 3 Page - Sanyo Semicon Device

部品番号 LC87F2932A
部品情報  CMOS IC FROM 32K byte, RAM 2048 byte on-chip 8-bit 1-chip Microcontroller
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メーカー  SANYO [Sanyo Semicon Device]
ホームページ  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

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LC87F2932A
No.A1210-3/29
UART
• Full duplex
• 7/8/9 bit data bits selectable
• 1 stop bit (2-bit in continuous data transmission)
• Built-in baudrate generator
AD Converter: 8 bits
× 13 channels
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)
Watchdog Timer
• External RC watchdog timer
• Interrupt and reset signals selectable
Clock Output Function
1) Outputs clock with a frequency 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 of the source clock of the system clock
2) Outputs clock of the subclock
Interrupts
• 26 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/ BT0/BT1/DHMSC
5
00023H
H or L
T0H/INT6
6
0002BH
H or L
T1L/T1H/INT7
7
00033H
H or L
SIO0/UART1 receive
8
0003BH
H or L
SIO1/UART1 transmit
9
00043H
H or L
ADC/T6/T7
10
0004BH
H or L
Port 0/T4/T5/PWM2, PWM3
• Priority levels X > H > L
• Of interrupts of the same level, the one with the smallest vector address takes precedence.
• IFLG (List of interrupt source flag function)
1) Shows a list of interrupt source flags that caused a branching to a particular vector address (shown in the table
above).
Subroutine Stack Levels: 1024 levels (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)


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