Epson S2R72V18 Technical Manual page 259

3. Register Details
3.1.33 Port0:038h-039h / Port1:238h-239h RAM_WrAdrs_H,L (RAM Write Address High, Low)
Base Address: Port0=000h, Port1=200h
Mode Ofst Adrs
Device 038h-039h RAM_WrAdrs_H,L
/ Host
This specifies the address for writing to RAM using the RAM_WrDoor_0,1 registers.
Bit15-13 Reserved
Bit12-0 RAM_WrAdrs[12:0]
This specifies the address for writing to RAM. The address is incremented by the number of bytes
written to the RAM_WrDoor_0,1 registers. Note that RAM_WrAdrs cannot be accurately checked
immediately after writing to the RAM_WrDoor_0,1 registers. Allow at least one CPU cycle before
checking RAM_WrAdrs. For detailed information on writing data, refer to "RAM_WrDoor_0,1
Registers."
242
Register Name R/W
15:
14:
13:
12: RAM_WrAdrs [12]
11: RAM_WrAdrs [11]
10: RAM_WrAdrs [10]
9: RAM_WrAdrs [9]
8: RAM_WrAdrs [8]
7: RAM_WrAdrs [7]
R/W
6: RAM_WrAdrs [6]
5: RAM_WrAdrs [5]
4: RAM_WrAdrs [4]
3: RAM_WrAdrs [3]
2: RAM_WrAdrs [2]
1: RAM_WrAdrs [1]
0: RAM_WrAdrs [0]
Bit Symbol
0:
0:
0:
RAM Write Address
EPSON
S2R72V18 Technical Manual (Rev.1.00)
Description
1:
1:
1:
Reset
00h