Datasheet

Table Of Contents
Section 6 Bus Controller
REJ09B0140-0900 Rev. 9.00 Page 119 of 846
Sep 16, 2010
H8S/2215 Group
6.3.5 Bus Control Register L (BCRL)
BCRL performs selection of the external bus-released state protocol, and enabling or disabling of
WAIT pin input.
Bit Bit Name Initial Value R/W Description
7 BRLE 0 R/W Bus release enable
Enables or disables external bus release.
0: External bus release is disabled. BREQ and BACK
can be used as I/O ports.
1: External bus release is enabled.
6 — 0 R/W Reserved
The write value should always be 0.
5 — 0 Reserved
This bit is always read as 0 and cannot be modified.
4 — 0 R/W Reserved
The write value should always be 0.
3 — 1 R/W Reserved
The write value should always be 1.
2,
1
— All 0 R/W Reserved
The write value should always be 0.
0 WAITE 0 R/W WAIT pin enable
Selects enabling or disabling of wait input by the WAIT
pin.
0: Wait input by WAIT pin disabled. WAIT pin can be
used as I/O port.
1: Wait input by WAIT pin enabled.