HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 483

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Table 17.2 Selecting PROM Programming Mode
Mode
Write
Verify
Program inhibit
Legend:
0: Low
1: High
V
V
17.3.2
Write/Verify: Write/verify can be accomplished by an efficient high-speed, high-reliability
programming method. This method can write data quickly and accurately without placing voltage
stress on the device. The basic flowchart for this high-speed, high-reliability programming method
is shown in figure 17.4.
PP
CC
: V
: V
PP
CC
level
level
Write/Verify and Electrical Characteristics
CE
CE
0
0
1
1
CE
CE
0
0
OE
OE
OE
OE
1
0
0
1
0
1
PGM
PGM
PGM
PGM
0
1
0
1
0
1
Pin
V
V
PP
PP
V
V
CC
CC
I/O7–I/O0
Data input
Data output
High impedance
Rev. 7.00 Jan 31, 2006 page 457 of 658
REJ09B0272-0700
Section 17 ROM
A16–A0
Address input