Table 11-58. Resctl21 Register; Table 11-59. Resctl21 Fields; Resistor Configuration Control 21 Register (Resctl21) - Sharp LH79524 User Manual

LH79524/LH79525 User's Guide

11.2.2.29 Resistor Configuration Control 21 Register (RESCTL21)

The RESCTL21 Register allows software to configure a number of the LH79524/LH79525
pull-up/pull-down resistors. Bits marked 'LH79524 Only' read as 0 with all writes 'reserved'
on the LH79525.
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR

Table 11-58. RESCTL21 Register

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

Table 11-59. RESCTL21 Fields

BIT NAME
31:12 /// Reserved Reading returns 0. Write the reset value.
Pin PF5/LCDVD11 Resistor Assignment
00 = No Pull-Down or Pull-Up
11:10 PF5
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PL3/LCDVD13 Resistor Assignment (LH79524 Only)
00 = No Pull-Down or Pull-Up
9:8 PL3
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PF4/LCDVD10 Resistor Assignment
00 = No Pull-Down or Pull-Up
7:6 PF4
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PL2/LCDVD12 Resistor Assignment (LH79524 Only)
00 = No Pull-Down or Pull-Up
5:4 PL2
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PF3/LCDVD9 Resistor Assignment
00 = No Pull-Down or Pull-Up
3:2 PF3
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PF2/LCDVD8 Resistor Assignment
00 = No Pull-Down or Pull-Up
1:0 PF2
01 = Pull-Down
10 = Pull-Up
11 = Reserved
26 25 24 23
///
0 0 0 0
RO RO RO RO
10 9 8 7
PF5 PL3 PF4
1 0 1 0
RW RW RW RW
0xFFFE5000 + 0xA4
DESCRIPTION
Version 1.0
I/O Configuration
22 21 20 19 18
0 0 0 0 0
RO RO RO RO RO
6 5 4 3 2
PL2 PF3
1 0 1 0 1
RW RW RW RW RW
17 16
0 0
RO RO
1 0
PF2
0 1
RW RW
11-43