HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 645

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Table 19.11 Programmer Mode Commands
Notes: 1. In auto-program mode. 129 cycles are required for command writing by a simultaneous
19.11.3 Memory Read Mode
1. After completion of auto-program/auto-erase/status read operations, a transition is made to the
2. In memory read mode, command writes can be performed in the same way as in the command
3. Once memory read mode has been entered, consecutive reads can be performed.
4. After powering on, memory read mode is entered.
Command Name
Memory read mode
Auto-program mode
Auto-erase mode
Status read mode
command wait state. When reading memory contents, a transition to memory read mode must
first be made with a command write, after which the memory contents are read.
wait state.
2. In memory read mode, the number of cycles depends on the number of address write
128-byte write.
cycles (n).
Number
of Cycles
1 + n
129
2
2
Mode
Write
Write
Write
Write
1st Cycle
Address Data
X
X
X
X
Rev. 5.00 Jan 06, 2006 page 625 of 818
H'00
H'40
H'20
H'71
Section 19 ROM (256 kB Version)
Mode
Read
Write
Write
Write
2nd Cycle
Address Data
RA
WA
X
X
REJ09B0273-0500
Dout
Din
H'20
H'71