AS3661 datasheet(53/87 Pages) AMSCO

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AS3661

Datasheet - D e t a i l e d D e s c r i p t i o n

8.10.9 ENGINEx PC

The program counter defines the starting value for each program execution engine. It can be any value between 000

0000 to 101 1111. The maximum value depends on program memory allocation between the three program execution

engines.

8.10.10 STATUS/INTERRUPT

This register contains several status and interrupt registers.

Table 42. ENGINE1 PC Register

ENGINE1 PC

Bit

Bit Name

Default

Access

Bit Description

6:0

ENGINE1_PC

000 0000

R/W

Program counter value for execution engine1 from 000 0000 to

101 1111 depending on the memory allocation of the

application.

Table 43. ENGINE2 PC Register

ENGINE2 PC

Bit

Bit Name

Default

Access

Bit Description

6:0

ENGINE2_PC

000 0000

R/W

Program counter value for execution engine2 from 000 0000 to

101 1111 depending on the memory allocation of the

application.

Table 44. ENGINE3 PC Register

ENGINE3 PC

Bit

Bit Name

Default

Access

Bit Description

6:0

ENGINE3_PC

000 0000

R/W

Program counter value for execution engine 3 from 000 0000

to 101 1111 depending on the memory allocation of the

application.

Table 45. STATUS / INTERRUPT Register

STATUS / INTERRUPT

Bit

Bit Name

Default

Access

Bit Description

LEDTEST_MEAS_D

ONE

R/W

This bit indicates when the LED test is done, and the result is

written to the LED_TEST_ADC register (0x42). Typically the

conversion takes 2.7 milliseconds to complete. The bit will not

be cleared after conversion. Each write command to this

0: LED test not done.

1: LED test done.

MASK_BUSY

R/W

Mask bit for interrupts generated by STARTUP_BUSY or

ENGINE_BUSY.

0: External interrupt will be generated when STARTUP_BUSY

or ENGINE_BUSY condition is no longer true. Reading the

high state.

1: Interrupt events will be masked i.e. no external interrupt

will be generated from STARTUP_BUSY or ENGINE_BUSY

event (default).

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