PT6552LQ PTC [Princeton Technology Corp], PT6552LQ Datasheet - Page 12
PT6552LQ
Manufacturer Part Number
PT6552LQ
Description
Manufacturer
PTC [Princeton Technology Corp]
Datasheet
1.PT6552LQ.pdf
(22 pages)
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PT6552
NTERNAL BLOCK STATES DURING THE RESET PERIOD (WHEN
/RES IS LOW)
CLOCK GENERATOR
Reset is applied and the basic clock stops. However, the state of the OSC pin (the normal or sleep state) is determined
after the control data S0 and S1 has been sent.
COMMON DRIVER, SEGMENT DRIVER & LATCH
Reset is applied and the display is turned off. However, display data can be input to the LATCH.
KEY SCAN
Reset is applied and at the same time as the internal states are set to their initial states, the key scan operation is
disabled.
KEY BUFFER
Reset is applied and all the key data is set to the low level.
CCB INTERFACE, CONTROL REGISTER, SHIFT REGISTER
To allow serial data transfers, reset is not applied to these circuits.
V1.3
12
July 2010
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