UPSD3354DV-40U6 Datasheet, PDF (127/272 Pages) STMicroelectronics – fast 8032 MCU with programmable logic

UPSD33xx
Figure 39. I²C interface SIOE block diagram
SCL / P3.7
I²C interface
INTR to 8032
8
S1STA - Interface Status
8
S1CON - Interface Control
S1SETUP - Sample Rate
8
Control (START Condition)
Open-
Drain Input
Arbitration
Output
uct(s) SDA / P3.6
Prod _Open-
te Drain
le ^Output
Input
bso Serial DATA OUT
Obsolete ^{Product(s) - O AI09626}
and Sync
Clock
Generation
Timing and
Control
Periph
Clock
(fOSC)
Serial DATA IN
8
Shift Direction
b7
S1DAT - Shift Register
ACK
b0 Bit
7
Comparator
7
b7
b0
8
S1ADR - Device Address
Doc ID 9685 Rev 7
127/272