Datasheet

Section 8 RAM
RAM0500A_000120030300 Rev.5.00 Nov. 02, 2005 Page 107 of 500
REJ09B0027-0500
Section 8 RAM
This LSI has an on-chip high-speed static RAM. The RAM is connected to the CPU by a 16-bit
data bus, enabling two-state access by the CPU to both byte data and word data.
Product Classification RAM Size RAM Address
Flash memory version H8/3687F 4 kbytes H'E800 to H'EFFF, H'F780 to H'FF7F*
(F-ZTAT
TM
version) H8/3684F 4 kbytes H'E800 to H'EFFF, H'F780 to H'FF7F*
Mask-ROM version H8/3687 3 kbytes H'E800 to H'EFFF, H'FB80 to H'FF7F
H8/3686 3 kbytes H'E800 to H'EFFF, H'FB80 to H'FF7F
H8/3685 3 kbytes H'E800 to H'EFFF, H'FB80 to H'FF7F
H8/3684 3 kbytes H'E800 to H'EFFF, H'FB80 to H'FF7F
H8/3683 3 kbytes H'E800 to H'EFFF, H'FB80 to H'FF7F
H8/3682 3 kbytes H'E800 to H'EFFF, H'FB80 to H'FF7F
Flash
memory
version
4 kbytes H'E800 to H'EFFF, H'F780 to H'FF7F* EEPROM
stacked
version
Mask-ROM
version
H8/3687N
3 kbytes H'E800 to H'EFFF, H'FB80 to H'FF7F
Note: * When the E7 or E8 is used, area H'F780 to H'FB7F must not be accessed.