UT80C196 datasheet(17/42 Pages) AEROFLEX

17 / 42 page

HSI.1

---

High Speed Input Module, input pin 1.

Setting IOC0.2 = 1 enables pin 25 as an HSI input, and allows

events on this pin to be loaded into the HSI FIFO.

T2CLK

---

Timer 2 Clock.

Setting IOC0.7 = 1 and IOC3.0 = 0 enables pin 25 to function as

the Timer 2 clock source.

HSO.4

---

High Speed Output Module, output pin 4. This pin can simulta-

neously operate in the HSI and HSO modes of operation. As a

result, this pin acts as an output that the HSI monitors.

Setting IOC1.4 = 1 enables the HSO.4 function of pin 26.

HSI.2

---

High Speed Input Module, input pin 2. This pin can simulta-

neously operate in the HSI and HSO modes of operation. As a

result, this pin can monitor events on the HSO.

Setting IOC0.4 = 1 enables pin 26 as an HSI input pin, and

allows events on this pin to be loaded into the HSI FIFO.

HSO.5

---

High Speed Output Module, output pin 5. This pin can simulta-

neously operate in the HSI and HSO modes of operation. As a

result, this pin acts as an output that the HSI monitors.

Setting IOC1.6 = 1 enables the HSO.5 function of pin 27.

HSI.3

---

High Speed Input Module, input pin 3. This pin can simulta-

neously operate in the HSI and HSO modes of operation. As a

result, this pin can monitor events on the HSO.

Setting IOC0.6 = 1 enables pin 27 as an HSI input pin, and

allows events on this pin to be loaded into the HSI FIFO.

TDO

HSO.0

---

High Speed Output Module, output pin 0. The HSO.0 pin is a

dedicated output for the HSO module.

TDO

HSO.1

---

High Speed Output Module, output pin 1. The HSO.1 pin is a

dedicated output for the HSO module.

Table 10: 68-lead Flat Pack Pin Descriptions

QFP Pin#

I/O

Name

Active

Description

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