3069RF-ZTAT Datasheet, PDF (147/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

When EMC is cleared to 0, addresses of some internal I/O registers are moved. For details, refer
to appendix B.2, Addresses (EMC = 0).
When the RDEA bit is 0, EMC must not be cleared to 0.
Bit 1—Area Division Unit Select (RDEA): Selects the memory map area division units. This bit
is valid in modes 3, 4, and 5, and is invalid in modes 1, 2, and 7.
When the EMC bit is 0, RDEA must not be cleared to 0.
Bit 1
RDEA
0
1
Description
Area divisions are as follows: Area 0: 2 Mbytes
Area 1: 2 Mbytes
Area 2: 8 Mbytes
Area 3: 2 Mbytes
Areas 0 to 7 are the same size (2 Mbytes)
Area 4: 1.93 Mbytes
Area 5: 4 kbytes
Area 6: 23.75 kbytes
Area 7: 22 bytes
(Initial value)
Bit 0—WAIT Pin Enable (WAITE): Enables or disables wait insertion by means of the WAIT
pin.
Bit 0
WAITE
0
1
Description
WAIT pin wait input is disabled, and the WAIT pin can be used as an
input/output port
(Initial value)
WAIT pin wait input is enabled
Rev. 5.0, 09/04, page 125 of 978