Texas Instruments MSP50C6xx - Manual (Page 293)

Instruction Set Summay
4-207
Assembly Language Instructions
MSP50C614 (MSP50P614) IO Port Description
Address Bits Name R/W 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 After RESET
0x34 4 DAC Control R/W DM E P1 P0 0x0
DM Drive Mode E Function P1 P0 DAC bits
0 3x Style DAC 0 Disable DAC 0 0 8 bit
1
y
5x Style DAC 1 Enable DAC 1 1
0 9 bits
10 bi 0 10 bits
0x38 16 Interrupt
G
R/W CE AR PD EP E2 E1 S2 S1 D5 D4 PF D3 D2 T2 T1 DA 0x0000
General
Control
EP
AR F port Pullup
Arm bit
Timer Function Interrupt enable bits: 1=enable,0=disable
AR
CE Arm bit
Comparator S1
S2 Timer1 source
Timer2 source DA
T1
DAC Timer interrupt
Timer 1 interrupt S2 Timer2 source T1
T2
D2
Timer 1 interrupt
Timer 2 interrupt
PD2 rising edge interr pt
0=disable 0 = ½ MC
D2
D3 PD2 rising edge interrupt
PD3 falling edge interrupt
1=enable 1 = MC
D3
PF PD3 falling edge interru t
F port falling edge interrupt
PD PDM clock E1 Timer1 enable
D4
D5
g g
PD4 rising edge interrupt
PD5 falling edge interrupt
0
1 ½ MC
MC
E2 Timer2 enable
D5 PD5 falling edge interrupt
1 MC
0 = disable
1 = enable
0x39 8 Interrupt
Flag
R/W D5 D4 PF D3 D2 T2 T1 DA left
unchanged Flag
Register
D5 PD5 falling edge interrupt flag DA DAC Timer interrupt flag
unchanged
Register
D5
D4 PD5 falling edge interru t flag
PD4 rising edge interrupt flag
DA
T1
DAC Timer interru t flag
Timer 1 interrupt flag
D3
g g g
PD3 falling edge interrupt flag T2
g
Timer 2 interrupt flag
PF F port falling edge interrupt flag D2 PD2 rising edge interrupt flag
0x3A 16 Timer 1 period R/W T I M E R 1 P E R I O D 0x0000
0x3B 16 Timer 1 preset R/W T I M E R 1 P R E S E T 0x0000
0x3D 16 Clock
S
W T4 T3 T2 T1 T0 I C R M7 M6 M5 M4 M3 M2 M1 M0 0x0000
Speed
Control
Resistor Trim bits I
C
Idle bit
CRO
PLLM bits
MC = (PLLM value+1) × 131.07 kHz
0 = disable
C
R CRO
RTO
MC = (PLLM value+1) × 131.07 kHz
CPU clock = (PLLM value+1) × 65.536 kHz
1 = enable
0x3E 16 Timer 2 period R/W T I M E R 2 P E R I O D 0x0000
0x3F 16 Timer 2 preset R/W T I M E R 2 P R E S E T 0x0000