Block Diagram - Renesas Hitachi H8S/2194 Series Hardware Manual

28.11.2 Block Diagram

Error check
LA (16 bits),
lower accumulator
UA (32 bits),
upper accumulator
MD (32 bits),
multiplied data
Figure 28.38 Block Diagram of Digital Filter Circuit
Rev. 2.0, 11/00, page 724 of 1037
Accumulator
Accumulation
controller
Sign
controller
Error latch signal
End
Accumulation
sequence circuit
Start
Data
Buffer/
shifter
register
select &
R/W
A, B, G, etc.
Write-only
Read-only
Buffer circuit
Error data
(from the error detector)
Motor control data
(to PWM circuit)