Sharp LH79524 - Port A;C;E;G;I;K Data Direction Register (P1 Ddrx); Table 8-10. P1 Ddrx Fields; Table 8-9. P1 Ddrx Register

General Purpose Input/Output LH79524/LH79525 User’s Guide
8-10 Version 1.0
8.2.2.3 Port A/C/E/G/I/K Data Direction Register (P1DDRx)
P1DDRx is the Data Direction Register. Bits in P1DDR Register program the correspond-
ing Port pin to be either an input or an output. Port K, and Port M bits 7 and 6 are only in
the LH79524.
Table 8-9. P1DDRx Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD ///
RESET 0000000000000000
RW RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD /// PORT_DIRECTION
RESET 0000000000000000
RW RO RO RO RO RO RO RO RO RW RW RW RW RW RW RW RW
ADDR
Port A: 0xFFFDF000 + 0x08
Port C: 0xFFFDE000 + 0x08
Port E: 0xFFFDD000 + 0x08
Port G: 0xFFFDC000 + 0x08
Port I: 0xFFFDB000 + 0x08
Port K: 0xFFFDA000 + 0x08 (LH79524 Only)
Port M: 0xFFFD9000 + 0x08 (Bits 7 and 6 LH79524 Only)
Table 8-10. P1DDRx Fields
BITS NAME DESCRIPTION
31:8 /// Reserved Writing to these bits has no effect. Reading returns 0.
7:0 PORT_DIRECTION
Port Data Direction Configures port pins as input or output.
1 = Output
0 = Input
(Port M is output only and must programmed to 1 for use)