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| 型號(hào)： | SAB83C517A-5N18-T4 |
| 文件頁數(shù)： | 11/77頁 |
| 文件大小： | 1358K |
| 代理商： | SAB83C517A-5N18-T4 |
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SAB 80C517A/83C517A-5
Semiconductor Group
10
1994-05-01
P1.7 - P1.0 29 - 36
98 - 100,
1, 6 - 9
I/O
Port 1
is a bidirectional I/O port with internal
pull-up resistors. Port 1 pins that have
1 s written to them are pulled high by the
internal pull-up resistors, and in that state
can be used as inputs. As inputs, port 1
pins being externally pulled low will source
current (
I
IL
, in the DC characteristics)
because of the internal pull-up resistors. It
is used for the low order address byte
during program verification. It also contains
the interrupt, timer, clock, capture and
compare pins that are used by various
options. The output latch must be
programmed to a one (1) for that function to
operate (except when used for the compare
functions).
The secondary functions are assigned to
the port 1 pins as follows:
– INT3/CC0 (P1.0): interrupt 3 input/
compare 0 output /capture 0 input
– INT4/CC1 (P1.1): interrupt 4 input /
compare 1 output /capture 1 input
– INT5/CC2 (P1.2): interrupt 5 input /
compare 2 output /capture 2 input
– INT6/CC3 (P1.3): interrupt 6 input /
compare 3 output /capture 3 input
– INT2/CC4 (P1.4): interrupt 2 input /
compare 4 output /capture 4 input
– T2EX (P1.5):
reload trigger input
– CLKOUT (P1.6):
– T2 (P1.7):
timer 2 external
system clock output
counter 2 input
*
I = Input
O = Output
Pin Definitions and Functions
(cont’d)
Symbol
Pin Number
I/O
*)
Function
P-LCC-84
P-MQFP-100-2
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參數(shù)描述 |
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| SAB83C517A-N18-T4 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
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