HD64F3048VTF8 Datasheet, PDF (50/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 1 Overview
Table 1.6 Differences between H8/3048F and H8/3048F-ONE
Item
Pin
specifications
Models with Dual Power Supply:
H8/3048F^*1
Pin 1: V_CC
ROM/RAM
Pin 10: V_PP/RESO
128-kbyte flash memory with dual
power supply, RAM: 4 kbytes
Units of on-
board writing
Writing in 1-byte units
Write/erase
voltage
12 V is externally applied from V_PP pin
V_PP pin functions Multiplexes with RESO
Boot mode
settings
RESO = 12 V
MD2 MD1 MD0
Mode 5 12 V 0
1
Mode 6 12 V 1
0
Mode 7 12 V 1
1
Cancelled by reset
Settings for
user program
mode
RESO = 12 V
MD2 MD1
Mode 5 1
0
Mode 6 1
1
Mode 7 1
1
Cancelled by reset
MD0
1
0
1
Prewrite
processing
Necessary before erasing
Erasing blocks More than one block can be erased at
the same time (verifies in block units
and erases only the unerased blocks)
Models with Single Power Supply:
H8/3048F-ONE
Pin 1: V_CL (when a model which
operates at 5 V is used)
Connected to V_SS with 0.1 µF externally
applied. Pin 1 becomes V_CC when a
model which operates at 3 V is used.
Pin 10: FWE
128-kbyte flash memory with single
power supply, RAM: 4 kbytes
Writing in 128-byte units
Application of 12 V is not required.
V_CC single power supply
FWE function only (no RESO function)
FWE = 1
MD2 MD1
Mode 5 0
0
Mode 6 0
1
Mode 7 0
1
Set to mode 1 in mode 5
Set to mode 2 in mode 6
Set to mode 3 in mode 7
Cancelled by reset
MD0
1
0
1
FWE = 1
MD2 MD1
Mode 5 1
0
Mode 6 1
1
Mode 7 1
1
Cancelled by reset
Not necessary
MD0
1
0
1
Erases in one block units. More than
one block cannot be erased at the same
time (the erasing flow is different)
Rev. 3.00 Sep 27, 2006 page 22 of 872
REJ09B0325-0300