NAiS FP Series Hardware Manual page 160

FP0 Hardware
C32 series
Timer Non-hold type: All points
Counter Non-hold type: From the set value to C127
Hold type: 16 points (elapsed values)
C128 to C143
Internal relay Non-hold type: 880 points (R0 to R54F)
Hold type:
Data register Non-hold type: 6112 words (DT0 to DT6111)
Hold type: 32 words (DT6112 to DT6143)
Note
For more information on performance specifications, also for the
T32CP unit,
Matsushita Electric Works (Europe) AG
55 words (WR0 to WR54)
128 points (R550 to R62F)
8 words (WR55 to WR62)
* see page
2-8.
A.1 System Registers
A-5