TMS370Cx32

8-BIT MICROCONTROLLER

SPNS015C – FEBRUARY 1990 – REVISED FEBRUARY 1997

21

POST OFFICE BOX 1443

PACT control registers

The PACT module is controlled and accessed through registers in peripheral frame 4. These registers are listed

in Table 13. The bits in shaded boxes are privileged mode bits; that is, they can be written to only in the privileged

mode.

Table 13. PACT Control Registers

PF

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

REG

P040

DEFTIM

OVRFL

INT ENA

DEFTIM

OVRFL

INT FLAG

CMD/DEF

AREA ENA

FAST

MODE

SELECT

PACT

PRESCALE

SELECT3

PACT

PRESCALE

SELECT2

PACT

PRESCALE

SELECT1

PACT

PRESCALE

SELECT0

PACTSCR

P041

CMD/DEF

AREA

INT ENA

—

CMD/DEF

AREA

START BIT 5

CMD/DEF

AREA

START BIT 4

CMD/DEF

AREA

START BIT 3

CMD/DEF

AREA

START BIT 2

—

—

CDSTART

P042

—

CMD/DEF

AREA

END BIT 6

CMD/DEF

AREA

END BIT 5

CMD/DEF

AREA

END BIT 4

CMD/DEF

AREA

END BIT 3

CMD/DEF

AREA END

BIT 2

—

—

CDEND

P043

1

1

BUFFER

POINTER

BIT 5

BUFFER

POINTER

BIT 4

BUFFER

POINTER

BIT 3

BUFFER

POINTER

BIT 2

BUFFER

POINTER

BIT 1

—

BUFPTR

P044

Reserved

P045

PACT

RXRDY

PACT

TXRDY

PACT

PARITY

PACT FE

PACT SCI

RX INT ENA

PACT SCI

TX INT ENA

—

PACT SCI

SW RESET

SCICTLP

P046

PACT

RXDT7

PACT

RXDT6

PACT

RXDT5

PACT

RXDT4

PACT

RXDT3

PACT

RXDT2

PACT

RXDT1

PACT

RXDT0

RXBUFP

P047

PACT

TXDT7

PACT

TXDT6

PACT

TXDT5

PACT

TXDT4

PACT

TXDT3

PACT

TXDT2

PACT

TXDT1

PACT

TXDT0

TXBUFP

P048

PACT OP8

STATE

PACT OP7

STATE

PACT OP6

STATE

PACT OP5

STATE

PACT OP4

STATE

PACT OP3

STATE

PACT OP2

STATE

PACT OP1

STATE

PSTATE

P049

CMD/DEF

INT 7 FLAG

CMD/DEF

INT 6 FLAG

CMD/DEF

INT 5 FLAG

CMD/DEF

INT 4 FLAG

CMD/DEF

INT 3 FLAG

CMD/DEF

INT 2 FLAG

CMD/DEF

INT 1 FLAG

CMD/DEF

INT 0 FLAG

CDFLAGS

P04A

CP2 INT

ENA

CP2 INT

FLAG

CP2 CAPT

RISING

EDGE

CP2 CAPT

FALLING

EDGE

CP1 INT

ENA

CP1 INT

FLAG

CP1 CAPT

RISING

EDGE

CP1 CAPT

FALLING

EDGE

CPCTL1

P04B

CP4 INT

ENA

CP4 INT

FLAG

CP4 CAPT

RISING

EDGE

CP4 CAPT

FALLING

EDGE

CP3 INT

ENA

CP3 INT

FLAG

CP3 CAPT

RISING

EDGE

CP3 CAPT

FALLING

EDGE

CPCTL2

P04C

CP6 INT

ENA

CP6 INT

FLAG

CP6 CAPT

RISING

EDGE

CP6 CAPT

FALLING

EDGE

CP5 INT

ENA

CP5 INT

FLAG

CP5 CAPT

RISING

EDGE

CP5 CAPT

FALLING

EDGE

CPCTL3

P04D

BUFFER

HALF/FULL

INT ENA

BUFFER

HALF/FULL

INT FLAG

INPUT

CAPT

PRESCALE

SELECT 3

INPUT

CAPT

PRESCALE

SELECT 2

INPUT

CAPT

PRESCALE

SELECT 1

CP6 EVENT

ONLY

EVENT

COUNTER

SW RESET

OP/ SET/CLR

SELECT

CPPRE

P04E

WATCHDOG RESET KEY

WDRST

P04F

PACT

STEST

PACT

SUSPEND

PACT

GROUP 1

PRIORITY

PACT

GROUP 2

PRIORITY

PACT

GROUP 3

PRIORITY

PACT

MODE

SELECT

PACT WD

PRESCALE

SELECT 1

PACT WD

PRESCALE

SELECT 0

PACTPRI