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參數(shù)資料
| 型號： | SAH-C517A |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit CMOS MICROCONTROLLER |
| 中文描述： | 8位CMOS單片機 |
| 文件頁數(shù)： | 12/72頁 |
| 文件大小： | 845K |
| 代理商： | SAH-C517A |
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C517A
Semiconductor Group
10
P6.0 - P6.7
46 - 50,
54 - 56
46
47
48
70 - 77
70
71
72
I/O
Port 6
is a quasi-bidirectional I/O port with internal
pull-up resistors. Port 6 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 6 pins
being externally pulled low will source
current (
I
IL
, in the DC characteristics)
because of the internal pull-up resistors.
Port 6 also contains the external A/D
converter start control pin and the transmit
and receive pins for the serial interface 1.
The output latch corresponding to a
secondary function must be programmed to
a one (1) for that function to operate.
The secondary functions are assigned to the
pins of port 6, as follows :
P6.0
ADST
external A/D converter
start pin
P6.1
RxD1
receiver data input of serial
interface 1
P6.2
TxD1
transmitter data input of
serial interface 1
P8.0 - P8.3
57 - 60
78 - 81
I
Port 8
is a 4-bit unidirectional input port. Port pins
can be used for digital input, if voltage levels
meet the specified input high/low voltages,
and for the higher 4-bit of the multiplexed
analog inputs of the A/D converter,
simultaneously.
P8.0 - P8.3
AIN8 - AIN11
analog
input 8 - 11
RO
61
82
O
Reset Output
This pin outputs the internally synchronized
reset request signal. This signal may be
generated by an external hardware reset, a
watchdog timer reset or an oscillator
watchdog reset. The RO output signal is
active low.
*) I = Input
O = Output
Table 1
Pin Definitions and Functions
(cont’d)
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