參數(shù)資料
型號： ADUC832BCP
廠商： ANALOG DEVICES INC
元件分類： 微控制器/微處理器
英文描述： MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU
中文描述： 8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP52
封裝： MO-112AC-1, MQFP-52
文件頁數(shù)： 67/80頁
文件大?。?/td> 1311K
代理商： ADUC832BCP
REV. 0
ADuC832
–67–
TIMING SPECIFICATIONS
1, 2, 3
(AV
DD
= 2.7 V to 3.6 V or 4.75 V to 5.25 V, DV
DD
= 2.7 V to 3.6 V or 4.75 V to 5.25 V;
all specifications T
MIN
to T
MAX
, unless otherwise noted.)
32.768 kHz External Crystal
Min
Typ
Parameter
Max
Unit
Figure
CLOCK INPUT (External Clock Driven XTAL1)
t
CK
XTAL1 Period
t
CKL
XTAL1 Width Low
t
CKH
XTAL1 Width High
t
CKR
XTAL1 Rise Time
t
CKF
XTAL1 Fall Time
1/t
CORE
ADuC832 Core Clock Frequency
4
t
CORE
ADuC832 Core Clock Period
5
t
CYC
ADuC832 Machine Cycle Time
6
30.52
15.16
15.16
20
20
μ
s
μ
s
μ
s
ns
ns
MHz
μ
s
μ
s
68
68
68
68
68
0.131
16.78
0.476
5.7
0.72
91.55
NOTES
1
AC inputs during testing are driven at DV
DD
–
0.5 V for a Logic 1 and 0.45 V for a Logic 0. Timing measurements are made at V
IH
min for a Logic 1 and V
IL
max for
a Logic 0, as shown in Figure 69.
2
For timing purposes, a port pin is no longer floating when a 100 mV change from load voltage occurs. A port pin begins to float when a 100 mV change from the
loaded V
/V
level occurs, as shown in Figure 69.
3
C
for all outputs = 80 pF, unless otherwise noted.
4
ADuC832 internal PLL locks onto a multiple (512 times) the external crystal frequency of 32.768 kHz to provide a Stable 16.78 MHz internal clock for the system.
The core can operate at this frequency or at a binary submultiple called Core_Clk, selected via the PLLCON SFR.
5
This number is measured at the default Core_Clk operating frequency of 2.09 MHz.
6
ADuC832 Machine Cycle Time is nominally defined as 12/Core_CLK.
t
CHK
t
CKL
t
CK
t
CKF
t
CKR
Figure 68. XTAL1 Input
DV
DD
–0.5V
0.45V
0.2DV
DD
+ 0.9V
TEST POINTS
0.2DV
DD
–
0.1V
V
LOAD
–0.1V
V
LOAD
V
LOAD
+ 0.1V
TIMING
REFERENCE
POINTS
V
LOAD
–0.1V
V
LOAD
V
LOAD
+ 0.1V
Figure 69. Timing Waveform Characteristics
QuickStart Plus Development System
The QuickStart Plus Development system offers users enhanced
nonintrusive debug and emulation tools. The System consists of
the following PC based (Windows compatible) hardware and
software development tools.
Hardware:
ADuC832 Prototype Board
Accutron Nonintrusive Single Pin
Emulator.
Software:
ASPIRE Integrated Development
Environment. Features full
‘
C
’
and
assembly emulation using the
Accutron single pin emulator.
Miscellaneous:
CD-ROM Documentation.
Figure 67. Accutron Single Pin Emulator
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