Table 8-11. P2Ddrx Register; Table 8-12. P2Ddrx Register Definitions; Port B/D/F/H/L/N Data Direction Register - Sharp LH79524 User Manual

LH79524/LH79525 User's Guide

8.2.2.4 Port B/D/F/H/L/N Data Direction Register

P2DDRx is the Data Direction Register. Bits in P2DDRx Register program the correspond-
ing Port pin to be either an input or an output. Port J has no P2DDRx.
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
BITS
31:8
7:0

Table 8-11. P2DDRx Register

31 30 29 28 27
0 0 0 0
RO RO RO RO RO
15 14 13 12 11
///
0 0 0 0
RO RO RO RO RO

Table 8-12. P2DDRx Register Definitions

NAME
/// Reserved Writing to these bits has no effect. Reading returns 0.
Configures port pins as input or output.
PORT_DIRECTION
1 = Output
0 = Input
26 25 24 23
///
0 0 0 0 0
RO RO RO RO
10 9 8 7
0 0 0 0 0
RO RO RO RW
Port B: 0xFFFDF000 + 0x0C
Port D: 0xFFFDE000 + 0x0C
Port F: 0xFFFDD000 + 0x0C
Port H: 0xFFFDC000 + 0x0C
Port L: 0xFFFDA000 + 0x0C (LH79524 Only)
Port N: 0xFFFD9000 + 0x0C (LH79524 Only)
DESCRIPTION
Version 1.0
General Purpose Input/Output
22 21 20 19 18
0 0 0 0 0
RO RO RO RO RO
6 5 4 3 2
PORT_DIRECTION
0 0 0 0 0
RW RW RW RW RW
17 16
0 0
RO RO
1 0
0 0
RW RW
8-11