參數資料
型號: SAB80C517A-N18
廠商: SIEMENS A G
元件分類: 微控制器/微處理器
英文描述: 8-Bit CMOS Single-Chip Microcontroller
中文描述: 8-BIT, 18 MHz, MICROCONTROLLER, PQCC84
文件頁數: 9/77頁
文件大?。?/td> 1358K
代理商: SAB80C517A-N18
SAB 80C517A/83C517A-5
Semiconductor Group
8
1994-05-01
Pin Definitions and Functions
(cont’d)
Symbol
Pin Number
I/O
*)
Function
P-LCC-84
P-MQFP-100-2
RESET
10
73
I
RESET
A low level on this pin for the duration of
one machine cycle while the oscillator is
running resets the SAB 80C517A. A
small internal pull-up resistor permits
power-on reset using only a capacitor
connected to
V
SS
.
Reference voltage
for the A/D con-
verter.
V
AREF
11
78
V
AGND
12
79
Reference ground
converter.
for the A/D
P7.7 -P7.0
13 - 20
80 - 87
I
Port 7
is an 8-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 lower 8-
bit of the multiplexed analog inputs of
the A/D converter, simultaneously.
*
I = Input
O = Output
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