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參數(shù)資料
| 型號： | EM78568 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8-BIT MICRO-CONTROLLER for FRS |
| 中文描述： | 8位微控制器為FRS |
| 文件頁數(shù)： | 50/54頁 |
| 文件大?。?/td> | 494K |
| 代理商： | EM78568 |
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EM78568
8-bit Micro-controller for FRS
__________________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
07/28/2004 V3.5
2.5Vref for Comparator or DAC
Parameter
Internal 2.5V ref. voltage.
Reference voltage linearity
Symbol
2.5VREF
2.5
V
REF
/
V
DD
Condition
VDD=5V, 25 deg
VDD=3V, 25 deg
VDD=5.5V ~ 3.0V
, 25 deg
VDD=3.0V ~ 2.7V
, 25 deg
Min
2.32
2.22
Typ
2.46
2.36
5
Max
2.58
2.48
8
Unit
V
V
%
8
15
%
Effective VDD reference for Comparator or DAC
Parameter
VDD ref. voltage.
Symbol
VDDref
Condition
VDD=5V ~ 2.7V,
, - 20 ~ +50 deg
Min
VDD-
0.05
Typ
VDD-
0.02
Max
VDD
Unit
V
(Operation current consumption for analog circuit) (Ta = 0
°
C ~ 70
°
C, AVDD=VDD=5V
±
5%, VSS=0V)
Parameter
Symbol Condition
Programming tone generators
Operation current for
Programming tone
generators
Digital to analog converter
Operation current for DAC
I_DA
Comparator
Operation current for
Comparator
CTCSS
Operation current for RX
power on
LPFPWR=0, BPFPWR=0
Operation current for TX
power on
LPFPWR=0, BPFPWR=0
Operation current for LPF
power on
LPFPWR=1, BPFPWR=0
Operation current for BPF
power on
LPFPWR=0, BPFPWR=1
* the spec for above table not including MCU current consumption
Min
Typ Max
0.35
Unit
mA
I_TONE TONE1 is power on
TONE2 is power on
0.6
0.65
0.9
I_CMP
70
120
uA
I_RX
RXPWR=1, TXPWR=0
0.7
1.0
mA
I_TX
RXPWR=0, TXPWR=1
0.12
0.2
mA
I_LPF
RXPWR=0, TXPWR=0
0.3
0.5
mA
I_BPF
RXPWR=0, TXPWR=0
0.3
0.5
mA
XI. AC Electrical Characteristic
CPU instruction timing (Ta = -30
°
C ~ 70
°
C, AVDD=VDD=5V, VSS=0V)
Parameter
Symbol
Input CLK duty cycle
Dclk
Instruction cycle time
Tins
Condition
32.768kHz
3.582MHz
Note 1
Ta = 25
°
C
Min
45
Typ
50
60
550
16
16
Max
55
Unit
%
us
ns
ms
ns
ms
Device delay hold time
TCC input period
Watchdog timer period
Note 1: N= selected prescaler ratio.
Tdrh
Ttcc
Twdt
(Tins+20)/N
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