Pin Configuration; Register Configuration; Table 18.3 Flash Memory Pins; Table 18.4 Flash Memory Registers - Hitachi H8/3062 Hardware Manual

18.2.2

Pin Configuration

The flash memory is controlled by means of the pins shown in table 18.3.

Table 18.3 Flash Memory Pins

Pin Name
Reset
Flash write enable
Mode 2
Mode 1
Mode 0
Transmit data
Receive data
18.2.3

Register Configuration

The registers used to control the on-chip flash memory when enabled are shown in table 18.4.

Table 18.4 Flash Memory Registers

Register Name
Flash memory control register 1
Flash memory control register 2
Erase block register 1
Erase block register 2
RAM control register
Notes: FLMCR1, FLMCR2, EBR1, EBR2, and RAMCR are 8-bit registers, and should be
accessed by byte access . These registers are used only in the versions with on-chip flash
memory, and are not provided in the versions with on-chip mask ROM. Reading the
corresponding addresses in a mask ROM version will always return 1s, and writes to these
addresses are invalid.
*1 Lower 20 bits of address in advanced mode
*2 When a high level is input to the FWE pin, the initial value is H'80.
Abbreviation I/O
RES
Input
FWE Input
MD Input
2
MD Input
1
MD Input
0
TxD Output
1
RxD Input
1
Abbreviation
FLMCR1
FLMCR2
EBR1
EBR2
RAMCR
Function
Reset
Flash program/erase protection by hardware
Sets H8/3064F-ZTAT B-mask version
operating mode
Sets H8/3064F-ZTAT B-mask version
operating mode
Sets H8/3064F-ZTAT B-mask version
operating mode
Serial transmit data output
Serial receive data input
R/W Initial Value
2
H'00 *
R/W
R H'00
R/W H'00
R/W H'00
R/W H'F0
1
Address *
H'EE030
H'EE031
H'EE032
H'EE033
H'EE077
527