Datasheet
MSP430x461x1, MSP430x461x
MIXED SIGNAL MICROCONTROLLER
57
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
flash memory
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX UNIT
V
CC(PGM/
ERASE)
Program and Erase supply voltage 2.7 3.6 V
f
FTG
Flash Timing Generator frequency 257 476 kHz
I
PGM
Supply current from DV
CC
during program 2.7 V/3.6 V 3 5 mA
I
ERASE
Supply current from DV
CC
during erase See Note 3 2.7 V/3.6 V 3 7 mA
I
GMERASE
Supply current from DV
CC
during global mass
erase
See Note 4 2.7 V/3.6 V 6 14 mA
t
CPT
Cumulative program time See Note 1 2.7 V/3.6 V 10 ms
t
CMErase
Cumulative mass erase time 2.7 V/3.6 V 20 ms
Program/Erase endurance 10
4
10
5
cycles
t
Retention
Data retention duration T
J
= 25°C 100 years
t
Word
Word or byte program time 30
t
Block,
0
Block program time for 1
st
byte or word 25
t
Block,
1-63
Block program time for each additional byte or
word
SNt2
18
t
t
Block,
End
Block program end-sequence wait time
See Note 2
6
t
FTG
t
Mass
Erase
Mass erase time 10593
t
Global
Mass
Erase
Global mass erase time 10593
t
Seg
Erase
Segment erase time 4819
NOTES: 6. The cumulative program time must not be exceeded during a block-write operation. This parameter is only relevant if the block write
feature is used.
2. These values are hardwired into the Flash Controller’s state machine (t
FTG
= 1/f
FTG
).
3. Lower 64-KB or upper 64-KB Flash memory erased.
4. All Flash memory erased.
JTAG interface
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX UNIT
f
TCK input frequency
See Note 1
2.2 V 0 5 MHz
f
TCK
TCK input frequency See Note 1
3 V 0 10 MHz
R
Internal
Internal pull-up resistance on TMS, TCK, TDI/TCLK See Note 2 2.2 V/ 3 V 25 60 90 kΩ
NOTES: 1. f
TCK
may be restricted to meet the timing requirements of the module selected.
2. TMS, TDI/TCLK, and TCK pull-up resistors are implemented in all versions.
JTAG fuse (see Note 1)
PARAMETER
TEST
CONDITIONS
MIN TYP MAX UNIT
V
CC(FB)
Supply voltage during fuse-blow condition T
A
= 25°C 2.5 V
V
FB
Voltage level on TDI/TCLK for fuse-blow: F versions 6 7 V
I
FB
Supply current into TDI/TCLK during fuse blow 100 mA
t
FB
Time to blow fuse 1 ms
NOTE 1: Once the fuse is blown, no further access to the MSP430 JTAG/Test and emulation features is possible. The JTAG block is switched
to bypass mode.