16F876 Microchip Technology, 16F876 Datasheet - Page 168
16F876
Manufacturer Part Number
16F876
Description
28/40-pin 8-Bit CMOS FLASH Microcontrollers
Manufacturer
Microchip Technology
Datasheet
1.16F876.pdf
(200 pages)
- Current page: 168 of 200
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PIC16F87X
FIGURE 15-17: I
TABLE 15-9:
DS30292B-page 168
Note 1: As a transmitter, the device must provide this internal minimum delay time to bridge the undefined region (min. 300 ns) of
Param
100
101
102
103
106
107
109
110
No.
90
91
92
2: A fast-mode (400 kHz) I
the falling edge of SCL to avoid unintended generation of START or STOP conditions.
DAT
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
T
released.
SDA
Out
SDA
In
SCL
R
max.+tsu; DAT = 1000 + 250 = 1250 ns (according to the standard-mode I
T
T
T
T
T
Note: Refer to Figure 15-4 for load conditions.
T
T
HD
HD
SU
SU
SU
Sym
T
T
HIGH
LOW
Cb
250 ns must then be met. This will automatically be the case if the device does not stretch the LOW period of the
T
T
BUF
AA
R
:
:
:
:
:
F
STO
STA
STA
DAT
DAT
I
2
2
C BUS DATA TIMING
C BUS DATA REQUIREMENTS
Characteristic
Clock high time
Clock low time
SDA and SCL rise
time
SDA and SCL fall time 100 kHz mode
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
90
103
91
2
C-bus device can be used in a standard-mode (100 kHz) I
109
100 kHz mode
400 kHz mode
SSP Module
100 kHz mode
400 kHz mode
SSP Module
100 kHz mode
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
106
101
109
20 + 0.1Cb
20 + 0.1Cb
1.5T
1.5T
Min
250
100
4.0
0.6
4.7
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.7
1.3
—
—
—
—
—
0
0
107
CY
CY
1000
3500
Max
300
300
300
0.9
400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
C bus specification) before the SCL line is
2
C-bus system, but the requirement tsu;
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
s
s
s
s
s
s
s
s
s
s
s
s
s
1999 Microchip Technology Inc.
92
Device must operate at a mini-
mum of 1.5 MHz
Device must operate at a mini-
mum of 10 MHz
Device must operate at a mini-
mum of 1.5 MHz
Device must operate at a mini-
mum of 10 MHz
Cb is specified to be from
10 to 400 pF
Cb is specified to be from
10 to 400 pF
Only relevant for repeated
START condition
After this period the first clock
pulse is generated
Note 2
Note 1
Time the bus must be free
before a new transmission can
start
102
110
Conditions
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