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参数资料
| 型号： | RX-4591CF |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封装： | SON-10 |
| 文件页数： | 18/19页 |
| 文件大小： | 256K |
| 代理商： | RX-4591CF |
RX - 4591 CF
Page - 5
MQ - 402 - 01
8. How to use
8.1. Register table
Address
Function
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
note
0
SEC
40
20
10
8
4
2
1
3
1
MIN
40
20
10
8
4
2
1
3
2
HOUR
20
10
8
4
2
1
3
WEEK
6
5
4
3
2
1
0
3
4
DAY
20
10
8
4
2
1
3
5
MONTH
10
8
4
2
1
3
6
YEAR
80
40
20
10
8
4
2
1
7
RAM
4
8
MIN Alarm
AE
40
20
10
8
4
2
1
6
9
HOUR Alarm
AE
20
10
8
4
2
1
4, 6
WEEK Alarm
6
5
4
3
2
1
0
A
DAY Alarm
AE
20
10
8
4
2
1
4, 6
B
Timer Counter 0
128
64
32
16
8
4
2
1
7
C
Timer Counter 1
2048
1024
512
256
4, 7
D
Extension Register
TEST1
WADA USEL
TE
TEST3
TSEL1 TSEL0
3, 5
E
Flag Register
VDET VLOW
UF
TF
AF
ICNT
VLF
PON
1, 2
F
Control Register
TEST2
UIE
TIE
AIE
STOP RESET
3, 5
Note
When after the initial power-up or when the result of read out the VLF bit is "1" , initialize all registers, before using
the module.
Be sure to avoid entering incorrect date and time data, as clock operations are not guaranteed when the data or
time data is incorrect.
1 ) During the initial power-up, the VLF bit is set to "1".
And, all register values are undefined, so be sure to initialize all registers.
2 ) Only the writes clear to "0" is possible for UF,TF,AF, and VLF.
3 ) All bits marked with ' ' are read-only bits. Their value when read is always "0".
4 ) Any bit marked with ' ' is a RAM bit that can be used to read or write any data.
5 ) TEST1, TEST2, TEST3 bits are used by manufacture for testing. Be sure to set it to "0" before use.
6 ) When alarm is not used, addresses between 8 and A can be used as RAM (AIE = "0").
7 ) When the timer counter (addresses B and C) is read, the data value preset previously can be read.
When the timer is not used, addresses B and C can be used as RAM (TE,TIE = "0").
8 ) The first 4 bits that sets mode code in the serial communication specify R/W for Bank 0 and Bank 1.
(For details, see the [8.3. Read/Write of data] section.)
Mode
Setup
Code
Read
8 h
Write
0 h
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