PSD813F1A-12J STMICROELECTRONICS [STMicroelectronics], PSD813F1A-12J Datasheet - Page 68

• Manufacturer Part Number: PSD813F1A-12J
• Description: Flash In-System Programmable (ISP) Peripherals for 8-bit MCUs, 5V
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

PSD813F1
Input Control Signals
The PSD provides the option to turn off the input
control signals (CNTL0, CNTL1, CNTL2, ALE, and
DBE) to the PLD to save AC power consumption.
These control signals are inputs to the PLD AND
array.
Table 32. APD Counter Operation
68/110
APD Enable Bit
0
1
1
1
ALE PD Polarity
X
X
1
0
ALE Level
Pulsing
X
1
0
Not Counting
Not Counting
Counting (Generates PDN after 15 Clocks)
Counting (Generates PDN after 15 Clocks)
During Power Down Mode, or, if any of them are
not being used as part of the PLD logic equation,
these control signals should be disabled to save
AC power. They will be disconnected from the
PLD AND array by setting bits 2, 3, 4, 5, and 6 to
a ‘1’ in the PMMR2.
APD Counter