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参数资料
| 型号： | RX-4581NBB-3 |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO22 |
| 封装： | SON-22 |
| 文件页数： | 2/3页 |
| 文件大小： | 259K |
| 代理商： | RX-4581NBB-3 |
77
Real time clock module
78
Real time clock module
Register table
BANK0
Address
Register symbol
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0
Sec
O
40
20
10
8
4
2
1
Min
O
40
20
10
8
4
2
1
2
Hour
O
20
10
8
4
2
1
3
Day of Week
O
6
5
4
3
2
1
0
4
Day
O
20
10
8
4
2
1
5
Month
O
10
8
4
2
1
6
Year
80
40
20
10
8
4
2
1
7
RAM
8
Minutes Alarm
AE
40
20
10
8
4
2
1
9
Hours Alarm
AE
20
10
8
4
2
1
A
Day of week Alarm
AE
6
5
4
3
2
1
0
20
10
8
4
2
1
B
Timer Countor 0
128
64
32
16
8
4
2
1
C
Timer Countor 1
2048
1024
512
256
D
Extension Register
TEST
WADA
USEL
TE
O
TSEL 1
TSEL 0
E
Frag Register
O
UF
TF
AF
O
VLF
O
F
Control Register
O
UIE
TIE
AIE
O
STOP
RESET
BANK1
Address
Register symbol
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0
RAM 0
1
RAM 1
2
RAM 2
…
D
RAM D
E
RAM E
F
RAM F
AC characteristics Ifnotspecificallyindicated,GND=0,Ta=-40°Cto+85°C
Item
Symbol Condition
VDD = 3.0V±10 % VDD = 5.0V ±10 %
Unit
Min. Max. Min. Max.
CLK clock cycle
tCLK
500
350
ns
CLK H Pulse Width
tWH
250
175
ns
CLK L Pulse Width
tWL
250
175
ns
CLK L rise and fall time tRF
100
50
ns
CLK setup time
tCLKS
0
ns
CE setup time
tCS
200
150
ns
CE hold time
tCH
200
100
ns
CE recovery time
tCR
300
200
ns
CE enable time
tWCE
0.95
s
Write data setup time
tDS
100
50
ns
Write data hold time
tDH
100
50
ns
Read data delay time
tRD CL = 50 pF
200
150 ns
DO output switching time
tZR
50
20
ns
DO output disable
time
tRZ
CL = 50 pF
RL = 10 kΩ
200
100 ns
DI / DO conflict avoiding time
tZZ
0
ns
FOUT duty
tW/t 50%VDD level 40
60
40
60
ns
Timing chart
CE
tWCE
tRF
80%
20%
tCLK
tWL tWH
tCH tCR
tRZ
tRD
tZZ
A0
M2
M3
tDH
tDS
Hi-z
Hi-Z
tZR
D7
D6
D0
D6
D7
AO
M2
M3
tRF
tCS
tCLKS
CLK
DI
DO
DI
DO
Block diagram
DIVIDER
FOUT
CONTROLLER
INTERRUPTS
CONTROLLER
BUS
INTERFACE
CIRCUIT
RAM 128bit (8 bit x 16)
32.768 kHz
OSC
CLOCK
and
CALENDAR
TIMER
REGISTER
ALARM
REGISTER
CONTROL
REGISTER
and
SYSTEM
CONTROLLER
FOUT
FOE
/AIRQ
/TIRQ
DI
DO
CLK
CE1
CE0
相关PDF资料 |
PDF描述 |
|---|---|
| RX-4581NBB-0 | REAL TIME CLOCK, PDSO22 |
| RX-4581NB | 0 TIMER(S), REAL TIME CLOCK, PDSO22 |
| RX-4702CFB | REAL TIME CLOCK, PDSO10 |
| RX-4801SA-3 | REAL TIME CLOCK, PDSO14 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RX45Q | 制造商:BCM Advanced Research 功能描述:INTEL? Q45 LGA 775 SOCKET, 2 GBIT LAN, 1 PCIE X16,MTHRBRD - Bulk |
| RX-4762 | 功能描述:烙铁 SOLDERING TIP RoHS:否 制造商:Weller 产品:Soldering Stations 类型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大温度:+ 850 F 电缆类型:US Cord Included |
| RX-4763 | 功能描述:烙铁 SOLDERING TIP RoHS:否 制造商:Weller 产品:Soldering Stations 类型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大温度:+ 850 F 电缆类型:US Cord Included |
| RX-4764 | 功能描述:烙铁 SOLDERING TIP RoHS:否 制造商:Weller 产品:Soldering Stations 类型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大温度:+ 850 F 电缆类型:US Cord Included |
| RX476H-PX-TKLGX | 制造商:Sliger Designs, Inc. 功能描述:CHASSIS WITH R2U POWER SUPPLY ROHS TEKLOGIX - Bulk |
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