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MSP430x11x1
MIXED SIGNAL MICROCONTROLLER
SLAS241C – SEPTEMBER 1999 – REVISED JUNE 2000
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
AVAILABLE OPTIONS
PACKAGED DEVICES
T
A
PLASTIC
20-PIN SOWB
(DW)
PLASTIC
20-PIN TSSOP
(PW)
40
°
Cto85
°
C
MSP430C1111IDW
MSP430C1121IDW
MSP430F1101IPW
MSP430F1121IPW
–
40°C
to
85°C
MSP430F1101IDW
MSP430F1121IDW
functional block diagram
Oscillator
System Clock
ACLK
SMCLK
1/2/4 KB ROM/
’C’: ROM
128/256B
RAM
Power-on-
Reset
I/O Port P1
8 I/O’s, All With
Interrupt
CPU
Incl. 16 Reg.
Test
JTAG
Bus
Conv.
MAB, 16 Bit
MDB, 16 Bit
MAB, 4 Bit
MDB, 8 Bit
MCB
XIN XOUT
V
CC
V
SS
RST/NMI P1.0–7
DCOR
ACLK
P2.0 / ACLK
Rosc
TEST
’F’: Flash
Outx
Timer_A
3 CC
CCR0/1/2
Watchdog
Timer
15/16 Bit
MCLK
x = 0, 1, 2
ACLK
SMCLK
Outx
CCIx
CCIx
TACLK or
INCLK
INCLK
Out0
CCI0
JTAG
CCIxA
TACLK
SMCLK
I/O Port P2
6 I/O’s All With
8
Capabililty
Interrupt
Capabililty
Register
CCI1
Comparator-A
Input Multiplexer
RC Filtered O/P
Internal Vref
Analog Switch
P2.1 / INCLK
P2.2 / CAOUT/TA0
P2.5 / Rosc
P2.4 / CA1/TA2
P2.3 / CA0/TA1
CCI1
Flash+126/256B
Flash INFO
†
†
A pulldown resistor of 30 kΩ is needed on F11x1.