3.
Differences in S-Mask Model
Table 2 shows the differences between the H8/3337F (dual-power-supply specification) and
H8/3337SF (single-power-supply specification).
Table 2
Item
Program/
erase voltage
Differences between H8/3337F and H8/3337F S-Mask Model
Dual-Power-Supply Model:
H8/3337F
12 V must be applied from off-chip
V
PP
(12.0 V
±0.6
V)
Dual function as FV
PP
power supply
and STBY function
•
•
Writer mode
On-board
Boot mode
User programming mode
Writer mode
Boot mode
User programming mode
32-byte-unit programming
Single-Power-Supply Model:
H8/3337F S-Mask Model
12 V application not required
V
CC
single-power-supply programming
V
CC
(5.0 V
±10%)
No programming control pin
(See section 21 for the use of these
modes)
FV
PP
(FWE)
pin function
Programming
modes
Operating
•
modes allowing
•
on-board
•
programming
On-board
programming
unit
Programming
with PROM
programmer
(See section 21 for the use of these
modes)
1-byte-unit programming
Select Hitachi stand-alone flash
memory HN28F101 setting
Special programming mode setting
required. Use of PROM programmer
that supports Hitachi microcomputer
device types with 64-kbyte on-chip flash
memory. (128-byte-unit fast page
programming)
Pin
Setting level
MD
1
MD
0
P9
2
0
0
1
P9
1
1
P9
0
1
Boot mode
setting
method
User program
mode setting
method
Reset release after MD
1
= FV
PP
/STBY =
12 V application
Reset release after above pin settings
FV
PP
= 12 V application
Control bits set by software
RENESAS [ RENESAS TECHNOLOGY CORP ]
