Filter
Top Products
I/O PORTS S3C9228/P9228
9-2
PORT DATA REGISTERS
Table 9-2 gives you an overview of the register locations of all seven S3C9228 I/O port data registers. Data
registers for ports 1, 2, 3, 4, 5, and 6 have the general format shown in Figure 9-1.
Table 9-2. Port Data Register Summary
Register Name Mnemonic Decimal Hex R/W
Port 0 data register P0 228 E4H R/W
Port 1 data register P1 229 E5H R/W
Port 2 data register P2 230 E6H R/W
Port 3 data register P3 231 E7H R/W
Port 4 data register P4 232 E8H R/W
Port 5 data register P5 233 E9H R/W
Port 6 data register P6 234 EAH R/W
MSB
S3C9228 I/O Port Data Register Format (n = 0-6)
.7 .6 .5 .4 .3 .2 .1 .0 LSB
Pn.7 Pn.6 Pn.5 Pn.4 Pn.3 Pn.2 Pn.1 Pn.0
Figure 9-1. S3C9228 I/O Port Data Register Format