參數(shù)資料
型號: 9S12KT256DGV1
英文描述: MC9S12KT256 Device User Guide
中文描述: MC9S12KT256設(shè)備用戶指南
文件頁數(shù): 94/126頁
文件大?。?/td> 7307K
代理商: 9S12KT256DGV1
Device User Guide — 9S12KT256DGV1/D V01.09
94
Freescale Semiconductor
A.2 Voltage Regulator (VREG_3V3) Operating Characteristics
This section describes the characteristics of the on chip voltage regulator.
Table A-9 VREG_3V3 - Operating Conditions
Characteristic
Symbol
Num
C
Min
Typical
Max
Unit
1
P
Input Voltages
V
VDDR,A
3.15
5.5
V
2
P
Regulator Current
Reduced Power Mode
Shutdown Mode
I
REG
20
12
50
40
μ
A
μ
A
3
P
Output Voltage Core
Full Performance Mode
Reduced Power Mode
Shutdown Mode
1
NOTES
:
1. High Impedance Output
2. Current IDDPLL = 500
μ
A
3. Monitors V
DDA
, active only in Full Performance Mode. Indicates I/O & ADC performance degradation due to
low supply voltage.
4. Monitors V
DD
, active only in Full Performance Mode. V
LVRA
and V
PORD
must overlap
5. Monitors V
DD
. Active in all modes.
V
DD
2.35
1.7
2.5
2.5
2.75
2.75
V
V
V
4
P
Output Voltage PLL
Full Performance Mode
Reduced Power Mode
2
Shutdown Mode
(1)
V
DDPLL
2.35
1.7
2.5
2.5
2.75
2.75
V
V
V
5
P
Low Voltage Interrupt
3
Assert Level
Deassert Level
V
LVIA
V
LVID
4.1
4.25
4.37
4.52
4.66
4.77
V
V
5
P
Low Voltage Reset
4
Assert Level
Deassert Level
V
LVRA
V
LVRD
2.25
2.55
V
V
7
C
Power-on Reset
5
Assert Level
Deassert Level
NOTE:
The electrical characteristics given in this section are preliminary and
should be used as a guide only. Values in this section cannot be
guaranteed by Motorola and are subject to change without notice.
V
PORA
V
PORD
0.97
---
---
2.05
V
V
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