© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
User manual Rev. 01 — 12 January 2006 65
Philips Semiconductors
UM10161
Volume 1 Chapter 6: Pin configuration
[2] 5 V tolerant pad providing digital I/O functions with TTL levels and hysteresis and 10 ns slew rate control. If configured for an input
function, this pad utilizes built-in glitch filter that blocks pulses shorter than 3 ns.
[3] Open-drain 5 V tolerant digital I/O I
2
C-bus 400 kHz specification compatible pad. It requires external pull-up to provide an output
functionality.
[4] 5 V tolerant pad providing digital I/O (with TTL levels and hysteresis and 10 ns slew rate control) and analog input function. If configured
for an input function, this pad utilizes built-in glitch filter that blocks pulses shorter than 3 ns. When configured as an ADC input, digital
section of the pad is disabled.
[5] Pad provides special analog functionality.
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