PIC18F258 MICROCHIP [Microchip Technology], PIC18F258 Datasheet - Page 352
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PIC18F258
Manufacturer Part Number
PIC18F258
Description
High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F258.pdf
(384 pages)
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PIC18FXX8
TABLE 27-20: MASTER SSP I
DS41159B-page 350
Param.
100
101
102
103
90
91
106
107
92
109
110
D102
Note 1: Maximum pin capacitance = 10 pF for all I
No.
2: A Fast mode I
T
T
T
T
T
T
T
T
T
T
T
C
Symbol
SU
SU
SU
AA
HIGH
LOW
R
F
HD
HD
BUF
must then be met. This will automatically be the case if the device does not stretch the LOW period of the SCL
signal. If such a device does stretch the LOW period of the SCL signal, it must output the next data bit to the
SDA line. Before the SCL line is released, parameter #102 + parameter #107 = 1000 + 250 = 1250 ns (for
100 kHz mode).
B
:
:
:
:
:
STA
DAT
STO
STA
DAT
Clock high time
Clock low time
SDA and SCL
rise time
SDA and SCL
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
Characteristic
2
C BUS DATA REQUIREMENTS
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
Preliminary
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
2
C pins.
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
OSC
OSC
OSC
OSC
OSC
OSC
20 + 0.1 C
20 + 0.1 C
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
TBD
TBD
TBD
Min
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
250
100
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
4.7
1.3
—
—
—
—
—
—
—
—
0
0
B
B
2
C bus system, but parameter #107
1000
3500
1000
Max
300
300
300
300
100
0.9
400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2002 Microchip Technology Inc.
C
10 to 400 pF
C
10 to 400 pF
Only relevant for
Repeated START
condition
After this period, the first
clock pulse is generated
(Note 2)
Time the bus must be free
before a new transmission
can start
B
B
is specified to be from
is specified to be from
Conditions
250 ns
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