22 ELECTRICAL CHARACTERISTICS
S1C31D50/D51 TECHNICAL MANUAL
Seiko Epson Corporation
22-11
(Rev. 2.00)
SVD circuit current - power supply voltage characteristic
Ta = 25
°
C, SVD3CTL.SVDC[4:0] bits = 0x04, CLK_SVD3 = 32 kHz, Typ. value
0
1
2
3
4
5
6
25
20
15
10
5
0
V
DD
[
V
]
I
SVD
[
µ
A]
SVD3CTL.SVDMD[1:0] bits = 0x0
0x1
0x2
0x3
22.9 UART (UART3) Characteristics
Unless otherwise specified: V
DD
= 1.8 to 5.5 V, V
SS
= 0 V, Ta = -40 to 85
°
C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Transfer baud rate
U
BRT1
Normal mode
150
–
460,800 bps
U
BRT2
IrDA mode
150
–
115,200 bps
22.10 Synchronous Serial Interface (SPIA) Characteristics
Master mode
Unless otherwise specified: V
SS
= 0 V, Ta = -40 to 85
°
C
Item
Symbol
Condition
V
DD
V
D1
output
Min.
Typ.
Max.
単位
SPICLK0 cycle time
t
SCYC
1.8 to 5.5 V
mode0
250
–
–
ns
1.8 to 3.6 V
mode1
1,000
–
–
ns
SPICLK0 High pulse width
t
SCKH
1.8 to 5.5 V
mode0
100
–
–
ns
1.8 to 3.6 V
mode1
400
–
–
ns
SPICLK0 Low pulse width
t
SCKL
1.8 to 5.5 V
mode0
100
–
–
ns
1.8 to 3.6 V
mode1
400
–
–
ns
SDI0 setup time
t
SDS
1.8 to 5.5 V
mode0
90
–
–
ns
1.8 to 3.6 V
mode1
250
–
–
ns
SDI0 hold time
t
SDH
1.8 to 5.5 V
mode0
10
–
–
ns
1.8 to 3.6 V
mode1
40
–
–
ns
SDO0 output delay time
t
SDO
C
L
= 15 pF
*
1
1.8 to 5.5 V
mode0
–
–
30
ns
1.8 to 3.6 V
mode1
–
–
100
ns
*
1 C
L
= Pin load