Table 12-1. Rtc Register Summary; Table 12-2. Dr Register; Table 12-3. Dr Fields; Register Reference - Sharp LH79524 User Manual

LH79524/LH79525 User's Guide

12.2 Register Reference

12.2.1 Memory Map
The base address for the RTC is: 0xFFFE0000
12.2.2 Register Descriptions
12.2.2.1 Data Register (DR)
DR is the Read Data Register. The current value of the RTC counter can be read from
this register.
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
BIT
31:0

Table 12-1. RTC Register Summary

ADDRESS
NAME
OFFSET
0x00
0x04
0x08
0x0C
0x10 IMSC
0x14
0x18
0x1C
0x20 - 0xFF
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
NAME
RTCDR RTC Data Register Contains the current counter value, in hexadecimal.
DESCRIPTION
DR Data Register
MR Match Register
LR Load Register
CR Control Register
Interrupt Mask Set and Clear Register
RIS Raw Interrupt Status Register
MIS Masked Interrupt Status Register
ICR Interrupt Clear Register
/// Reserved — Do not access.

Table 12-2. DR Register

26 25 24 23
RTCDR
0 0 0 0
RO RO RO RO
10 9 8 7
RTCDR
0 0 0 0
RO RO RO RO
0xFFFE0000 + 0x00

Table 12-3. DR Fields

DESCRIPTION
Version 1.0
Real Time Clock
22 21 20 19 18
0 0 0 0 0
RO RO RO RO RO
6 5 4 3 2
0 0 0 0 0
RO RO RO RO RO
17 16
0 0
RO RO
1 0
0 0
RO RO
12-3