DP8570AV National Semiconductor, DP8570AV Datasheet - Page 20
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DP8570AV
Manufacturer Part Number
DP8570AV
Description
Timer IC
Manufacturer
National Semiconductor
Datasheet
1.DP8570AV.pdf
(26 pages)
Specifications of DP8570AV
No. Of Pins
28
Power Dissipation Pd
500W
Peak Reflow Compatible (260 C)
No
Frequency Max
10GHz
Supply Voltage Max
5.5V
Leaded Process Compatible
No
Timer Type
TCP
Package / Case
28-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DP8570AV
Manufacturer:
NSC
Quantity:
5 510
Part Number:
DP8570AV
Manufacturer:
NS
Quantity:
20 000
Company:
Part Number:
DP8570AV/NOPB
Manufacturer:
Texas Instruments
Quantity:
10 000
Part Number:
DP8570AVX
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
DP8570AVX/NOPB
Manufacturer:
Texas Instruments
Quantity:
10 000
Main Status Register PS
Timer 0 Control Register PS
Timer 1 Control Register PS
Periodic Flag Register PS
Interrupt Routing Register PS
Real Time Mode Register PS
Output Mode Register PS
Interrupt Control Register 0 PS
Interrupt Control Register 1 PS
Count Hold
Count Hold
Control and Status Register Address Bit Map
Time Save
Power Fail
Freq XT1
Interrupt
Interrupt
MFO as
Timer 1
Enable
Crystal
Crystal
Enable
Enable
Select
Mode
Page
R W
Gate
Gate
R W
R W
Test
D7
Single Supply
Low Battery
Osc Fail
Freq XT0
Register
Interrupt
Interrupt
MFO as
Timer 0
Timer 0
Crystal
Enable
Enable
Select
Timer
Timer
R W
Alarm
Read
Read
R W
Flag
D6
R
6
4
e
e
e
0 RS
e
e
on Back-Up
0
Input Clock
Input Clock
0
Power Fail
e
Timers EN
Select C2
Select C2
Interrupt
Interrupt
Interrupt
e
Timer 1
Enable
PP OD
Enable
Enable
R W
0 RS
0
Delay
DOW
R W
0
MFO
e
e
1 ms
1 ms
Flag
D5
R
0
e
0
0
5
1
RS
RS
0 ADDRESS
e
RS
RS
e
e
RS
0 Address
Active HI LO
Interrupt EN
RS
RS
on Back-Up
Input Clock
e
Input Clock
1
0
e
Select C1
Select C1
Int Route
MFO INT
Interrupt
Interrupt
Interrupt
Timer 0
Timer 1
e
Enable
Enable
10 ms
10 ms
Month
R W
0
MFO
R W
Flag
1
e
e
D4
R
0
5
1
1
1
Address
Address
e
e
Address
Address
00H
Address
01H
Input Clock
Input Clock
Address
Address
Start Stop
Select C0
Select C0
Int Route
MFO INT
Interrupt
Interrupt
Interrupt
100 ms
Timer 0
PP OD
100 ms
Enable
Enable
R W
Alarm
Clock
e
e
INTR
DOM
R W
Flag
D3
R
e
20
03H
02H
5
e
1
e
02H
01H
e
e
04H
03H
04H
Active HI LO
Select M1
Select M1
Int Route
MFO INT
12 24 Hr
Seconds
Seconds
Interrupt
Interrupt
Interrupt
Periodic
Enable
Enable
R W
Hours
Mode
Mode
Alarm
Mode
INTR
R W
Flag
D2
R
5
1
10 Second
10 Second
Power Fail
Leap Year
Select M0
Select M0
Int Route
MFO INT
Interrupt
Interrupt
Interrupt
Periodic
PP OD
Enable
Minute
Enable
Mode
Mode
R W
MSB
Flag
D1
R
R
T1
2
5
Active HI LO
Start Stop
Start Stop
Power Fail
Leap Year
Int Route
MFO INT
Interrupt
Interrupt
Interrupt
Second
Enable
Enable
Minute
Minute
Status
Timer
Timer
R W
Flag
LSB
D0
R
R
T1
3
5
1 Reset by
2 Set reset by
3 Reset when
All Bits R W
All Bits R W
4 Read Osc fail
5 Reset by
6 Set and reset
All Bits R W
All Bits R W
All Bits R W
All Bits R W
writing
1 to bit
voltage at
PFAIL pin
all pending
interrupts
are removed
Write 0 Batt-
Backed Mode
Write 1 Single
Supply Mode
positive edge
of read
by V
voltage
BB