Pin Configuration - Renesas F-ZTAT H8 Series Hardware Manual

Differences between Boot Mode and User Program Mode
Table 6.1 Differences between Boot Mode and User Program Mode
Total erase
Block erase
Programming control program*
Note: To be provided by the user, in accordance with the recommended algorithm.
*
Block Configuration: The flash memory is divided into one 12-kbyte block, one 16-kbyte block,
one 28-kbyte block, and four 1-kbyte blocks.
6.2.4

Pin Configuration

The flash memory is controlled by means of the pins shown in table 6.2.
Table 6.2 Flash Memory Pins
Pin Name
Reset
Flash write enable
Test 2
Test
Transmit data*
Receive data*
Note: * The transmit data pin and receive data pin are used in boot mode.
Boot Mode
Possible
Not possible
Program/program-verify
Address H'0000
Address H'EDFF
Figure 6.6 Flash Memory Blocks
Abbr. I/O
RES
Input
FWE Input
TEST2 Input
TEST Input
TXD Output
RXD Input
1 kbyte
1 kbyte
1 kbyte
1 kbyte
28 kbytes
16 kbytes
12 kbytes
Function
Reset
Flash program/erase protection by hardware
Sets H8/3857F operating mode
Sets H8/3857F operating mode
SCI3 transmit data output
SCI3 receive data input
Rev.3.00 Jul. 19, 2007 page 125 of 532
User Program Mode
Possible
Possible
Erase/erase-verify
Program/program-verify
REJ09B0397-0300
6. ROM