SN8P1600
8-bit micro-controller
R REGISTERS
R register is an 8-bit buffer. There are two major functions of the register. First, R register can be used as working
register. Second, the R register stores high-byte data of look-up ROM data. After MOVC instruction executed, the
high-byte data of specified ROM address will store in R register and the low-byte data in ACC.
082H
R
Read/Write
After reset
Bit 7
RBIT7
R/W
0
Bit 6
RBIT6
R/W
0
Bit 5
RBIT5
R/W
0
Bit 4
RBIT4
R/W
0
Bit 3
RBIT3
R/W
0
Bit 2
RBIT2
R/W
0
Bit 1
RBIT1
R/W
0
Bit 0
RBIT0
R/W
0
ꢂ
Note: Please consult the “LOOK-UP TABLE DESCRIPTION” about R register look-up table application.
SONiX TECHNOLOGY CO., LTD
Page 26
Revision 1.94