OM6271 NXP Semiconductors, OM6271 Datasheet - Page 19

• Manufacturer Part Number: OM6271
• Description: Interface Modules & Development Tools SPI to I2C Master Bridge Demoboard
• Manufacturer: NXP Semiconductors

Specifications of OM6271

• Interface Type: I2C, SPI
• Data Bus Width: 8 bit
• For Use With/related Products: SC18IS601IPW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
9. Dynamic characteristics
Table 12.
V
[1]
[2]
SC18IS600_601_5
Product data sheet
Symbol
f
External clock input (SC18IS601); see
f
T
t
t
t
t
Glitch filter
t
t
SPI slave interface
f
T
t
t
t
t
t
t
t
t
t
t
t
t
osc(RC)
osc
CHCX
CLCX
CLCH
CHCL
gr
sa
SPI
SPILEAD
SPILAG
SCLKH
SCLKL
SPIDSU
SPIDH
SPIA
SPIDIS
SPIDV
SPIOH
SPIR
SPIF
DD
CLCL
SPICYC
= 2.4 V to 3.6 V; T
Parameters are valid over operating temperature range unless otherwise specified. Parts are tested to 2 MHz, but are guaranteed to
operate down to 0 Hz.
SCL and SDA do not have glitch suppression circuits.
Parameter
internal RC oscillator
frequency
oscillator frequency
clock cycle time
clock HIGH time
clock LOW time
clock rise time
clock fall time
glitch rejection time
signal acceptance time
SPI operating frequency 2.0 MHz
SPI cycle time
SPI enable lead time
SPI enable lag time
SCLK HIGH time
SCLK LOW time
SPI data set-up time
SPI data hold time
SPI access time
SPI disable time
SPI enable to output
data valid time
SPI output data hold
time
SPI rise time
SPI fall time
Dynamic characteristics
amb
= 40 C to +85 C (industrial); unless otherwise specified.
Conditions
SC18IS600;
nominal f = 7.3728 MHz; trimmed to
V
RESET pin
any pin except RESET
RESET pin
any pin except RESET
2.0 MHz
2.0 MHz
2.0 MHz
2.0 MHz
3.0 MHz
SPI outputs (SCLK, MOSI, MISO)
SPI inputs (SCLK, MOSI, MISO,
CS)
SPI outputs (SCLK, MOSI, MISO)
SPI inputs (SCLK, MOSI, MISO,
CS)
1 % at T
DD
Figure 23
= 2.4 V to 3.6 V
amb
= 25 C
Rev. 05 — 28 July 2008
[2]
[2]
7.189
6
3
3
Min
125
100
100
83
22
22
50
fosc
fosc
fosc
0
0
4
4
0
0
0
0
0
-
-
-
-
-
-
-
-
Variable clock
[1]
T
T
CLCL
CLCL
SC18IS600/601
7.557
2000
2000
Max
fosc
120
240
240
167
100
100
12
50
15
8
8
-
-
-
-
-
-
-
-
-
-
-
6
t
t
CHCX
CLCX
SPI to I
7.189
f
osc
Min
500
190
190
100
100
125
© NXP B.V. 2008. All rights reserved.
22
22
50
0
4
4
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
2
C-bus interface
= 12 MHz Unit
7.557 MHz
2000
2000
Max
120
240
240
167
100
100
2.0
50
15
8
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
19 of 30
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s