Renesas Electronics HD6433833
The H8/300L Series is a series of single-chip microcomputers (MCU: microcomputer unit), built around the high-speed H8/300L CPU and equipped with peripheral system functions on-chip.FEATURES
Item CPUDESCRIPTION
High-speed H8/300L CPU● General-register architecture General registers: Sixteen 8-bit registers (can be used as eight 16-bit registers)
● Operating speed Max. operating speed: 5 MHz Add/subtract: 0.4 µs (operating at 5 MHz) Multiply/divide: 2.8 µs (operating at 5 MHz) Can run on 32.768 kHz subclock
● Instruction set compatible with H8/300 CPU Instruction length of 2 bytes or 4 bytes Basic arithmetic operations between registers MOV instruction for data transfer between memory and registers 1 Table 1.1
FEATURES
(cont) ItemDESCRIPTION
CPU Typical instructions● Multiply (8 bits × 8 bits)
● Divide (16 bits ÷ 8 bits)
● Bit accumulator
● Register-indirect designation of bit position Interrupts 33 interrupt sources
● 13 external interrupt pins: IRQ4 to IRQ0, WKP7 to WKP0
● 20 internal interrupt sources Clock pulse generators Two on-chip clock pulse generators
● System clock pulse generator: 1 to 10 MHz
● Subclock pulse generator: 32.768 kHz Powe...