Hitachi H8/3048 Hardware Manual page 183

www.DataSheet4U.com
Set area 3 for 16-bit access
CS
Set P8 DDR to 1 for output
1 3
Set RTCOR
Set bits CKS2 to CKS0 in RTMCSR
Write H'3B in RFSHCR
Wait for DRAM to be initialized
DRAM can be accessed
Figure 7-12 Setup Procedure for 2CAS 4-Mbit DRAM with 9-Bit Row Address and
9-Bit Column Address (16-Mbyte Mode)
169