HD6473837H Datasheet, PDF (19/562 Pages) Renesas Technology Corp – Hardware Manual

Table 1.1 Features (cont)
Item
Description
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
Power-down modes
Six power-down modes
• Sleep mode
• Standby mode
• Watch mode
• Subsleep mode
• Subactive mode
• Active (medium-speed) mode
Memory
Large on-chip memory
• H8/3832S: 16-kbyte ROM, 1-kbyte RAM
• H8/3833(S): 24-kbyte ROM, 1-kbyte RAM
• H8/3834(S): 32-kbyte ROM, 1-kbyte RAM
• H8/3835(S): 40-kbyte ROM, 2-kbyte RAM
• H8/3836(S): 48-kbyte ROM, 2-kbyte RAM
• H8/3837(S): 60-kbyte ROM, 2-kbyte RAM
I/O ports
84 I/O port pins
• I/O pins: 71
• Input pins: 13
Timers
Five on-chip timers
• Timer A: 8-bit timer
Count-up timer with selection of eight internal clock signals divided
from the system clock (φ)* and four clock signals divided from the
watch clock (φ_w)*
Note: * φ and φ_w are defined in section 4, Clock Pulse Generators.
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