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4.9.2 Count mode
Table 5. MAX_CTRL_# control lines
Bus line
MAX_CTRL_0
MAX_CTRL_1
MAX_CTRL_2
4.9.3 Idle mode
UM11712
User manual
In this mode, an internal counter clocked by the RC oscillator of MAX V counts up and
down, at low speed (clock frequency: 7.6 Hz), or high speed (clock frequency: 61 Hz).
The counting status, direction, and speed are set by the MAX_CTRL_# lines of the
control bus. See
Table 5
to ports P0 and P1 of the DUT IC (configured as inputs) and displayed in the GUI. The
range of the counter value is from 000 to 999.
Function
Speed
Direction
Status
In this mode, the internal counter is stopped, the LED display is OFF, except the Digit 4
(D13) which is displaying "-" (minus) sign (see
All information provided in this document is subject to legal disclaimers.
for MAX_CTRL lines. The current value of the counter is sent
State
0
1
0
1
0
1
Rev. 1.0 — 31 January 2022
PCAL6534EV-ARD evaluation board
Description
Low speed (7.5 Hz)
High speed (60 Hz)
down
up
Counter is ON
Counter is OFF (the counting is stopped)
Figure
3).
UM11712
© NXP B.V. 2022. All rights reserved.
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