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Section 2 CPU
• Two base registers
Vector base register
Short address base register
• 4-Gbyte address space
Program:
4 Gbytes
Data:
4 Gbytes
• High-speed operation
All frequently-used instructions execute in one or two states
8/16/32-bit register-register add/subtract: 1 state
8 × 8-bit register-register multiply:
16 ÷ 8-bit register-register divide:
16 × 16-bit register-register multiply:
32 ÷ 16-bit register-register divide:
32 × 32-bit register-register multiply:
32 ÷ 32-bit register-register divide:
• Four CPU operating modes
Normal mode
Middle mode
Advanced mode
Maximum mode
• Power-down modes
Transition is made by execution of SLEEP instruction
Choice of CPU operating clocks
Notes: 1. Advanced mode is only supported as the CPU operating mode of the H8SX/1650
Group. Normal, middle, and maximum modes are not supported.
2. The multiplier and divider are supported by the H8SX/1650 Group.
Rev.2.00 Jun. 28, 2007 Page 16 of 666
REJ09B0311-0200
1 state
10 states
1 state
18 states
5 states
18 states
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