HD6432621 Hitachi, HD6432621 Datasheet - Page 46

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 1-1
Item
CPU
Bus controller
PC break
controller
2
Overview
Specifications
General-register machine
High-speed operation suitable for realtime control
Instruction set suitable for high-speed operation
Two CPU operating modes
Address space divided into 8 areas, with bus specifications settable
independently for each area
Choice of 8-bit or 16-bit access space for each area
2-state or 3-state access space can be designated for each area
Number of program wait states can be set for each area
Burst ROM directly connectable
External bus release function
Supports debugging functions by means of PC break interrupts
Two break channels
Sixteen 16-bit general registers
Maximum operating frequency: 20 MHz
High-speed arithmetic operations
69 basic instructions
8/16/32-bit move/arithmetic and logic instructions
Unsigned/signed multiply and divide instructions
Multiply-and accumulate instruction
Powerful bit-manipulation instructions
Normal mode: 64-kbyte address space
Advanced mode: 16-Mbyte address space
(also usable as sixteen 8-bit registers or eight 32-bit registers)
8/16/32-bit register-register add/subtract: 50 ns
16
16
32 ÷ 16-bit register-register divide: 1000 ns
(Not available in the H8S/2626 Series or H8S/2623 Series)
16-bit register-register multiply: 200 ns
16 + 42-bit multiply and accumulate: 200 ns