Table 11-4. Resctl1 Register; Table 11-5. Resctl1 Fields; Resistor Configuration Control 1 Register (Resctl1) - Sharp LH79524 User Manual

LH79524/LH79525 User's Guide

11.2.2.2 Resistor Configuration Control 1 Register (RESCTL1)

The RESCTL1 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 11-4. RESCTL1 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 RO

Table 11-5. RESCTL1 Fields

BIT NAME
31:10 /// Reserved Reading returns 0. Write the reset value.
Pin PI2/ETHERCOL Resistor Assignment
00 = No Pull-Down or Pull-Up
9:8 PI2
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PI1/ETHERMDIO Resistor Assignment
00 = No Pull-Down or Pull-Up
7:6 PI1
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PI0/ETHERMDC Resistor Assignment
00 = No Pull-Down or Pull-Up
5:4 PI0
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PL1/LCDVD15 Resistor Assignment (LH79524 Only)
00 = No Pull-Down or Pull-Up
3:2 PL1
01 = Pull-Down
10 = Pull-Up
11 = Reserved
Pin PL0/LCDVD14 Resistor Assignment (LH79524 Only)
00 = No Pull-Down or Pull-Up
1:0 PL0
01 = Pull-Down
10 = Pull-Up
11 = Reserved
26 25 24 23
///
0 0 0 0
RO RO RO RO
10 9 8 7
PI2 PI1
0 0 1 1
RO RW RW RW
0xFFFE5000 + 0x04
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
PI0 PL1
0 0 1 0 1
RW RW RW RW RW
17 16
0 0
RO RO
1 0
PL0
0 1
RW RW
11-5