User`s guide

Conﬁgurable Machine State

T1CR: Programmable Timer 1 Control Register (2014 0110)

6: Interrupt enable

0 = disabled*

2: STP

0 = run after overflow*

0: RUN

1 = counter incrementing every microsecond (historical)

TNIR: Programmable Timer Next Interval Registers (2014 0108,

2014 0118)

31:0: Timer next interval count (use 2’s complement)

range = 0* to 1.2 hours

T0IV: Programmable Timer 0 Interrupt Vector Register (2014 010C)

9:2: Timer interrupt vector = 78hex

T1IV: Programmable Timer 1 Interrupt Vector Registers (2014 011C)

9:2: Timer interrupt vector = 7Chex

TOY: Time of Year Register (2014 006C)

31:0: Number of 10 ms intervals since written

DLEDR: Diagnostic LED Register (2014 0030)

3:0: Display bits

0 = LEDs on* (historical)

Conﬁgurable Machine State D–9