參數(shù)資料
型號(hào)： UT80C196KD-WCC
英文描述： MICROCONTROLLER|16-BIT|8096 CPU|CMOS|QFL|68PIN|PLASTIC
中文描述： 單片機(jī)| 16位| 8096的CPU |的CMOS | QFL | 68PIN |塑料
文件頁(yè)數(shù)： 15/42頁(yè)
文件大?。?/td> 190K
代理商： UT80C196KD-WCC
15
15
TI
P2.2
---
Port 2 Pin 2. An input only port pin that is written at location
10h of HWindow 0. P2.2 will always generate EXTINT1
(INT13, 203Ah) unless masked by the INT_MASK1 register.
Assert EXTINT1 for at least 2 state times to guarantee acknowl-
edgment by the interrupt controller.
TI
EXTINT
High
External Interrupt. Setting IOC1.1 = 0 enables pin 15 as the
source for the external interrupt EXTINT. A rising edge on this
pin will generate EXTINT (INT07, 200Eh). Assert EXTINT for
at least 2 state times to ensure acknowledgment by the interrupt
controller.
During Power Down mode, asserting EXTINT places the chip
back into normal operation, even if EXTINT is masked.
16
TUBS
RESET
Low
Master Reset. The first external reset signal supplied to the
UT80C196KD must be active for at least 16 state times. All
subsequent RESET assertions need only be active for 1 state
time because the UT80C196KD will continue driving the
RESET signal for an additional 16 state times. See section 1.1.2
for more information on the RESET function of the
UT80C196KD.
17
TI
P2.1
---
Port 2 Pin 1. An input only port pin that is read at location 10h
of HWindow 0.
Setting SPCON.3 = 0 enables the P2.1 function of pin 17.
TB
RXD
---
RXD is a bidirectional serial data port. When operating in Serial
Modes 1, 2, and 3, RXD receives serial data. When using Serial
Mode 0, RXD operates as an input and an open-drain output for
data.
Setting SPCON.3 = 1 enables the RXD function of pin 17.
18
2
TUO
P2.0
---
Port 2 Pin 0. An output only port pin that is written at location
10h of HWindow 0.
Setting IOC1.5 = 0 enables the P2.0 function of pin 18.
TUO
TXD
---
Transmit Serial Data (TXD). When set to Serial Mode 1, 2, or 3,
TXD transmits serial port data. When using Serial Mode 0,
TXD is used as the Serial Clock output.
Setting IOC1.5 = 1 enables the TXD function of pin 18.
TUI
ICT
Low
In-Circuit Test. The UT80C196KD will enter the In-Circuit
Test mode if this pin is held low during the rising edge of
RESET.
Table 10: 68-lead Flat Pack Pin Descriptions
QFP Pin#
I/O
Name
Active
Description
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