C8051F70X_0910 Datasheet, PDF (98/290 Pages) Silicon Laboratories – Mixed Signal ISP Flash MCU Family

C8051F70x/71x
SFR Definition 16.1. EMI0CN: External Memory Interface Control
Bit
7
6
5
4
3
2
1
0
Name
PGSEL[7:0]
Type
R/W
Reset
0
0
0
0
0
0
0
0
SFR Address = 0xAA; SFR Page = F
Bit Name
Function
7:0 PGSEL[7:0] XRAM Page Select Bits.
The XRAM Page Select Bits provide the high byte of the 16-bit external data memory
address when using an 8-bit MOVX command, effectively selecting a 256-byte page of
RAM.
0x00: 0x0000 to 0x00FF
0x01: 0x0100 to 0x01FF
...
0xFE: 0xFE00 to 0xFEFF
0xFF: 0xFF00 to 0xFFFF
98
Rev. 0.3