PIC17C7XX Datasheet, PDF (256/328 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM Microcontrollers with 10-bit A/D

PIC17C7XX
FIGURE 20-13: I²C BUS START/STOP BITS TIMING
SCL
SDA
91
90
93
92
START
Condition
STOP
Condition
Note: Refer to Figure 20-1 for load conditions.
TABLE 20-13: I²C BUS START/STOP BITS REQUIREMENTS
Param.
No.
Sym Characteristic
Min
Typ Max Units
Conditions
90
TSU:STA START condition 100 kHz mode 2(TOSC)(BRG + 1) § — —
Setup time
400 kHz mode 2(TOSC)(BRG + 1) § — —
1 MHz mode ⁽¹⁾ 2(TOSC)(BRG + 1) § — —
91
THD:STA START condition 100 kHz mode 2(TOSC)(BRG + 1) § — —
Hold time
400 kHz mode 2(TOSC)(BRG + 1) § — —
1 MHz mode ⁽¹⁾ 2(TOSC)(BRG + 1) § — —
92
TSU:STO STOP condition 100 kHz mode 2(TOSC)(BRG + 1) § — —
Setup time
400 kHz mode 2(TOSC)(BRG + 1) § — —
1 MHz mode ⁽¹⁾ 2(TOSC)(BRG + 1) § — —
93
THD:STO STOP condition 100 kHz mode 2(TOSC)(BRG + 1) § — —
Hold time
400 kHz mode 2(TOSC)(BRG + 1) § — —
1 MHz mode ⁽¹⁾ 2(TOSC)(BRG + 1) § — —
§ This specification ensured by design.
Note 1: Maximum pin capacitance = 10 pF for all I²C pins.
Only relevant for repeated
ns ^{START condition}
After this period the first
ns ^{clock pulse is generated}
ns
ns
DS30289A-page 256
Preliminary
© 1998 Microchip Technology Inc.