MSP430G2230QDEP Datasheet, PDF (23/36 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2230-EP
www.ti.com
SLAS863 – AUGUST 2012
Internal Very-Low-Power Low-Frequency Oscillator (VLO)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
f_VLO
df_VLO/dT
df_VLO/dV_CC
PARAMETER
VLO frequency
VLO frequency temperature drift⁽¹⁾
VLO frequency supply voltage drift⁽²⁾
T_A
-40°C to 85°C
125°C
-40°C to 85°C
25°C
V_CC
3V
3V
1.8 V to 3.6 V
MIN TYP
4
12
0.5
4
(1) Calculated using the box method: (MAX(-40 to 85°C) – MIN(-40 to 85°C)) / MIN(-40 to 85°C) / (85°C – (–40°C))
(2) Calculated using the box method: (MAX(1.8 to 3.6 V) – MIN(1.8 to 3.6 V)) / MIN(1.8 to 3.6 V) / (3.6 V – 1.8 V)
MAX
20
23
UNIT
kHz
%/°C
%/V
Timer_A
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
f_TA
Timer_A clock frequency
TEST CONDITIONS
Internal: SMCLK
External: TACLK, INCLK
Duty cycle = 50% ± 10%
V_CC
MIN
TYP
f_SYSTEM
t_TA,cap Timer_A capture timing
TAx
3V
20
MAX UNIT
MHz
ns
USI, Universal Serial Interface
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CC
f_USI USI clock frequency
External: SCLK,
Duty cycle = 50% ±10%,
V_OL,I2 Low-level output voltage on SDA
C
and SCL
SPI slave mode USI module in I²C mode,
I_(OLmax) = 1.5 mA
3V
MIN
V_SS
TYP
f_SYSTEM
MAX UNIT
MHz
V_SS + 0.4 V
Typical Characteristics, USI Low-Level Output Voltage on SDA and SCL
USI LOW-LEVEL OUTPUT VOLTAGE
vs
OUTPUT CURRENT
5.0
V_CC = 2.2 V
T_A = 25°C
4.0
USI LOW-LEVEL OUTPUT VOLTAGE
vs
OUTPUT CURRENT
5.0
V_CC = 3 V
T_A = 25°C
4.0
3.0
3.0
T_A = 85°C
T_A = 85°C
2.0
2.0
1.0
1.0
0.0
0.0
0.2
0.4
0.6
0.8
1.0
V_OL − Low-Level Output Voltage − V
Figure 15.
0.0
0.0
0.2
0.4
0.6
0.8
1.0
V_OL − Low-Level Output V oltage − V
Figure 16.
Copyright © 2012, Texas Instruments Incorporated
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