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V850/SC2 Microcontrollers
Features
- Operating Voltage : 3.5 to 5.5 V
- Max. frequency : 18.87 MHz
- ROM capacities :
- 512 KB mask ROM (µPD703069Y)
- 512 KB flash memory (µPD70F3089Y) - RAM capacities : 24 KB
- Package : 144-pin plastic LQFP (20 x 20 mm)
- Number of instructions: 74
- Minimum instruction execution time :
- 53 ns (operating at 20 MHz, external power supply 5 V, regulator output 3.3 V) - General-purpose registers 32 bits x 32 registers
- Instruction set :
- Signed multiplication (16 x 16 -> 32): 106 ns (operating at 18.87 MHz)
(Able to execute instructions in parallel continuously without creating any register hazards)
- Saturated operations (overflow and underflow detection functions are included)
- 32-bit shift instruction: 1 clock
- Bit manipulation instructions
- Load/store instructions with long/short format - Memory space :
- 16 MB of linear address space (for programs and data)
- External expansion: Expandable to 4 MB
- Memory block allocation function: 2 MB per block
- Programmable wait function
- Idle state insertion function - External bus interface :
- 16-bit data bus (address/data multiplexed)
- Address bus: Separate output possible
- 3 V to 5 V interface enabled
- Bus hold function
- External wait function - Interrupts and exceptions :
- Non-maskable interrupts: 2 sources
- Maskable interrupts: 51 sources
- Software exceptions: 32 sources
- Exception trap: 1 source - I/O lines :
- Total 124 (12 input ports and 112 I/O ports)
- 3 V to 5 V interface enabled - Timer/counter :
- 16-bit timer: 8 channels (TM0, TM1, TM7 to TM12)
- 16-bit timer: 2 channels (TM5, TM6) - Watch timer :
When operating on subclock or main clock: 1 channel
Operation using the subclock or main clock is also possible in the IDLE mode. - Watchdog timer : 1 channel
- Serial interfaces (SIO):
- Asynchronous serial interface (UART)
- 3-wire serial I/O (CSI)
- I2C bus interface (I2C)
- 8- to 16-bit variable-length serial interface
- CSI (8-bit)/UART: 1 channel
- CSI (8- to 16-bit variable)/UART: 1 channel
- CSI (8-bit)/I2C: 2 channels
- CSI (8- or 16-bit): 2 channels
- UART: 2 channels
- Dedicated baud rate generator: 5 channels - A/D converter 10-bit resolution: 12 channels
- DMA controller : Internal RAM <-> on-chip peripheral I/O: 6 channels
- ROM correction : 4 correction addresses specifiable
- Regulator : 3.5 V to 5.5 V input -> internal 3.3 V
- Key return function : 4 to 8 pins selectable, falling edge fixed
- Clock generator :
- During main clock or subclock operation - 5-level CPU clock (including sub operations) - Power save functions : HALT/IDLE/STOP modes
- CMOS structure : All static circuits
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