Table 11-54. Resctl20 Register; Table 11-55. Resctl20 Fields; Resistor Configuration Control 20 Register (Resctl20) - Sharp LH79524 User Manual

I/O Configuration

11.2.2.27 Resistor Configuration Control 20 Register (RESCTL20)

The RESCTL20 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
11-40

Table 11-54. RESCTL20 Register

31 30 29 28 27
0 0 0 0 0
RO RO RO RO RO
15 14 13 12 11
PE2 PL4
0 1 0 1 0
RW RW RW RW RW

Table 11-55. RESCTL20 Fields

BIT NAME
31:16 /// Reserved Reading returns 0. Write the reset value.
Pin PE2/LCDPS Resistor Assignment
00 = No Pull-Down or Pull-Up
15:14 PE2
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PL4/D28 Resistor Assignment (LH79524 Only)
00 = No Pull-Down or Pull-Up
13:12 PL4
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PE1/LCDDCLK Resistor Assignment
00 = No Pull-Down or Pull-Up
11:10 PE1
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PN1/D27 Resistor Assignment (LH79524 Only)
00 = No Pull-Down or Pull-Up
9:8 PN1
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PE0/LCDLP/LCDHRLP Resistor Assignment
00 = No Pull-Down or Pull-Up
7:6 PE0
01 = Pull-Down
10 = Pull-Up
11 = Reserved
26 25 24 23
///
0 0 0 0
RO RO RO RO
10 9 8 7
PE1 PN1 PE0
1 0 1 0
RW RW RW RW
0xFFFE5000 + 0x96
DESCRIPTION
Version 1.0
LH79524/LH79525 User's Guide
22 21 20 19 18
0 0 0 0 0
RO RO RO RO RO
6 5 4 3 2
PN0 PF7
1 0 1 0 1
RW RW RW RW RW
17 16
0 0
RO RO
1 0
PF6
0 1
RW RW