ZHCSI49C September 2014 – March 2021
PRODUCTION DATA
Figure 9-9 shows the pin diagram. Table 9-12 summarizes the selection of the pin function.

| PIN NAME (P1.x) | x | FUNCTION | CONTROL BITS OR SIGNALS(1) | ||
|---|---|---|---|---|---|
| P1DIR.x | P1SEL1.x | P1SEL0.x | |||
| P1.4/UCB0STE/TA0.0 | 4 | P1.4 (I/O) | I: 0; O: 1 | 0 | 0 |
| UCB0STE | X(2) | 0 | 1 | ||
| TA0.CCI0A | 0 | 1 | 0 | ||
| TA0.0 | 1 | ||||
| N/A | 0 | 1 | 1 | ||
| DVSS | 1 | ||||
| P1.5/UCB0CLK/TA0.1 | 5 | P1.5 (I/O) | I: 0; O: 1 | 0 | 0 |
| UCB0CLK | X(2) | 0 | 1 | ||
| TA0.CCI1A | 0 | 1 | 0 | ||
| TA0.1 | 1 | ||||
| N/A | 0 | 1 | 1 | ||
| DVSS | 1 | ||||
| P1.6/UCB0SCL/UCB0SOMI/ TA0.2 | 6 | P1.6 (I/O) | I: 0; O: 1 | 0 | 0 |
| UCB0SCL/UCB0SOMI | X(2) | 0 | 1 | ||
| TA0.CCI2A | 0 | 1 | 0 | ||
| TA0.2 | 1 | ||||
| N/A | 0 | 1 | 1 | ||
| DVSS | 1 | ||||
| P1.7/UCB0SDA/UCB0SIMO/ TA1CLK | 7 | P1.7 (I/O) | I: 0; O: 1 | 0 | 0 |
| UCB0SDA/UCB0SIMO | X(2) | 0 | 1 | ||
| TA1CLK | 0 | 1 | 0 | ||
| DVSS | 1 | ||||
| N/A | 0 | 1 | 1 | ||
| DVSS | 1 | ||||