PIC18F25J50 MICROCHIP [Microchip Technology], PIC18F25J50 Datasheet - Page 527

• Manufacturer Part Number: PIC18F25J50
• Description: 28/44-Pin, Low-Power, High-Performance USB Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 30-28: MSSPx I
 2011 Microchip Technology Inc.
100
101
102
103
90
91
106
107
92
109
110
D102
Note 1:
Param.
No.
T
T
T
T
T
T
T
T
T
T
T
C
Symbol
SU
SU
SU
AA
R
HIGH
LOW
F
HD
HD
BUF
B
A Fast mode I
must then be met. This will automatically be the case if the device does not stretch the LOW period of the
SCLx signal. If such a device does stretch the LOW period of the SCLx signal, it must output the next data bit
to the SDAx line,
SCLx line is released.
:
:
:
:
:
STA
DAT
STO
STA
DAT
Clock High Time 100 kHz mode
Clock Low Time 100 kHz mode
SDAx and SCLx
Rise Time
SDAx and SCLx
Fall Time
Start Condition
Setup Time
Start Condition
Hold Time
Data Input
Hold Time
Data Input
Setup Time
Stop Condition
Setup Time
Output Valid
from Clock
Bus Free Time
Bus Capacitive Loading
2
C bus device can be used in a Standard mode I
2
Parameter #102
C™ BUS DATA REQUIREMENTS
Characteristic
400 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
+
Parameter #107
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
OSC
OSC
OSC
OSC
20 + 0.1 C
20 + 0.1 C
OSC
OSC
OSC
OSC
OSC
OSC
PIC18F46J50 FAMILY
= 1000 + 250 = 1250 ns (for 100 kHz mode), before the
Min
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
250
100
)(BRG + 1)
)(BRG + 1)
4.7
1.3
—
—
—
—
—
0
0
B
B
2
C bus system, but
1000
3500
1000
Max
300
300
300
0.9
400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
pF
s
s
s
s
ns
ns
ns
ns
s
s
s
s
ns
s
ns
ns
s
s
ns
ns
s
s
Parameter #107
C
from 10 to 400 pF
C
from 10 to 400 pF
Only relevant for
Repeated Start condition
After this period, the first
clock pulse is generated
(Note 1)
Time the bus must be
free before a new
transmission can start
B
B
is specified to be
is specified to be
DS39931D-page 527
Conditions
 250 ns