HD64F3048F16 Datasheet, PDF (611/903 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 18 ROM (H8/3048F-ONE: Single Power Supply, H8/3048B Mask ROM Version)
18.2.6 Block Configuration
The flash memory in the H8/3048F-ONE is divided into three 32-kbyte blocks, one 28-kbyte
block, and four 1-kbyte blocks and can be erased in these block units.
Address H'00000
1 kbyte × 4
28 kbytes
128 kbytes
32 kbytes
32 kbytes
Address H'1FFFF
32 kbytes
Figure 18.5 Erase Area Block Divisions
18.3 Flash Memory Pin Configuration
The flash memory is controlled by means of the pins shown in table 18.2.
Table 18.2 Pin Configuration
Pin Name
Abbreviation I/O
Function
Reset
Flash write enable
Mode 2
RES
FWE^*1
MD2^*1
Input
Input
Input
Reset
Flash program/erase protection by hardware
Sets LSI operating mode
Mode 1
MD1
Input Sets LSI operating mode
Mode 0
Transmit data
Receive data
MD0
TxD1^*2
RxD1^*2
Input
Output
Input
Sets LSI operating mode
Serial transmit data output
Serial receive data input
Notes: 1. Never apply 12 V to the H8/3048F-ONE (single power supply).
Otherwise, the LSI will be permanently damaged.
2. In boot mode, use on-board pull-up.
Rev. 3.00 Sep 27, 2006 page 583 of 872
REJ09B0325-0300