Renesas Hitachi H8S/2194 Series Hardware Manual page 183

Table 7.11 Programmer Mode Commands
Command Name
Memory read mode
Auto-program mode
Auto-erase mode
Status read mode
Notes: 1. In auto-program mode. 129 cycles are required for command writing by a
simultaneous 128-byte write.
2. In memory read mode, the number of cycles depends on the number of address write
cycles (n).
Rev. 2.0, 11/00, page 156 of 1037
1st Cycle
Number of
Cycles Mode
1+n write
129 write
2 write
2 write
Address Data
X H'00
X H'40
X H'20
X H'71
2nd Cycle
Mode Address
read RA
write WA
write X
write X
Data
Dout
Din
H'20
H'71