RTC-4513 Ver la hoja de datos (PDF) - Seiko Epson Corp
Número de pieza
componentes Descripción
Fabricante
RTC-4513 Datasheet PDF : 2 Pages
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Register table
Address
A3 A2 A1 A0
0 00 0 0
1 00 0 1
2 00 1 0
3 00 1 1
4 01 0 0
5 01 0 1
6 01 1 0
7 01 1 1
8 10 0 0
9 10 0 1
A 10 1 0
B 10 1 1
C 11 0 0
D 11 0 1
E 11 1 0
F 11 1 1
Register
symbol
S1
S10
MI1
MI10
H1
H10
D1
D10
MO1
MO10
Y1
Y10
W
CD
CE
CF
D3
(MSB)
s8
f0
mi8
fr
h8
fr
d8
fr
mo8
fr
y8
y80
fr
30ADJ
t1
TEST
Real time clock module
D2
D1
s4
s40
mi3
mi40
h4
pm/am
d4
∗
mo4
y4
y40
w4
IRQ-F
t0
24/12
s2
s20
mi2
mi20
h2
h20
d2
d20
mo2
∗
y2
y20
w2
CAL/HW
INT/STND
STOP
D0
(LSB)
s1
s10
mi1
mi10
h1
h10
d1
d10
mo1
mo10
y1
y10
w1
HOLD
MASK
RESET
0 to 9
0 to 5
0 to 9
0 to 5
0 to 9
0 to 1,2
0 to 9
0 to 3
0 to 9
0 to 1
0 to 9
0 to 6
—
Register name
1-second digit register
10-second digit register
1-minute digit register
10-minute digit register
1-hour digit register
10-hour digit register
1-day digit register
10-day digit register
1-month digit register
10-month digit register
1-year digit register
10-year digit register
day of the week register
Control register D
Control register E
Control register F
Switching characteristics
Item
Symbol Condition
Min.
Max.
Unit
CLK “H” time
tWH
300
CLK “L” time
tWL
CE setup time
tCS
150
CE hold time
tCH
200
CE recovery time
tCR
—
300
—
CLK setup time
tCKS
ns
20
CLK hold time
tCKH
Write data setup time
tDS
50
Write data hold time
tDH
Read data delay time
tRD
CL=50pF
250
Read data disable delay time
tRZ
CLK rise time/fall time
tRF
—
100
—
20
Block diagram
Timing chart
t CKS
CLK
t WL t WH
t CS
t CH
t CKH
CE
t CR
Write mode
tDS
tDH
CLK
STD.P
VDD
GND
DATA
CLK
CE
OSC
Clock
& calender
Control register
CD,CE,CF
Data buffer
Decoder
Address counter
DATA
Read mode
tRF
tRD
tRF
CLK
DATA
CE
Hi-z
tRZ
48
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