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LM8333 Datasheet(PDF) 8 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM8333
Description  Keypad Controller with I/O Expansion and ACCESS.bus Host Interface
PDF  17 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM8333 Datasheet(HTML) 8 Page - National Semiconductor (TI)

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7.0 Device Operation (Continued)
TABLE 3. Summary of PWM Control Bits
OUT_DIR
Bit
PWM_DIR
Bit
MOD BIT
Description
0
1
0
Drive output low
1
1
0
Drive output high
0
0
0
TRI-STATE® mode
X
X
1
PWM timer output
7.2.2 General-Purpose I/O (GPIO)
Figure 7 shows the commands to write, read and control the
general-purpose I/O port pins, GEN_IO_0, GEN_IO_1, GE-
N_IO_2, and GEN_IO_3.
All general-purpose I/O pins can be programmed as inputs
or outputs as shown in Table 4. The GEN_IO_0 and GE-
N_IO_1 pins provide an additional capability for program-
mable wake-up.
20210606
FIGURE 4. PWM Control Commands for Arbitrary Duty Cycle
20210607
FIGURE 5. General-Purpose I/O Control Commands
www.national.com
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