28.11.3 Arithmetic Buffer - Renesas Hitachi H8S/2194 Series Hardware Manual

28.11.3 Arithmetic Buffer

This buffer stores computational data used in the digital filters. See table 28.14. Write access is
limited to the gain and coefficient data (Z
can be read.
Table 28.14 Arithmetic Buffer Register Configuration
Arithmetic
Data
Phase Ep
system
Upn
-1
Upn-1 (Zp )
Vpn
Tp
Y
Speed
Es
system
Xsn
Usn
-1
Usn-1 (Z s)
Vsn
Ws
Error
PWM
output
Legend: Valid bits
Non-existent bits
Rev. 2.0, 11/00, page 726 of 1037
-1
Gain or Processing
Coefficient Data
Ap
Bp
GKp
Ofp
Ap × Epn
Bp × Vpn
As
Bs
GKs
Ofs
As × Xsn
Bs × Vsn
). Other data is used by hardware. None of the data
Buffer Data Length
16 bits 16 bits 16 bits
↑
Decimal point