mc68hc912bd32 Freescale Semiconductor, Inc, mc68hc912bd32 Datasheet - Page 23
mc68hc912bd32
Manufacturer Part Number
mc68hc912bd32
Description
16-bit Device Composed Of Standard On-chip Peripherals
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC912BD32.pdf
(292 pages)
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Power Supply Pins
Internal Power
(V
(V
External Power
(V
Ground (V
V
Analog to Digital
Reference
Voltages (V
V
3-pins
DDA
FP
DD
SS
DDX
)
) and Ground
, V
) and
SSA
SSX
RH
)
, V
RL
)
MC68HC912BD32 power and ground pins are described below and
summarized in
Power is supplied to the MCU through V
transitions place high, short-duration current demands on the power
supply, use bypass capacitors with high-frequency characteristics and
place them as close to the MCU as possible. Bypass requirements
depend on how heavily the MCU pins are loaded.
External power and ground for I/O drivers. Because fast signal
transitions place high, short-duration current demands on the power
supply, use bypass capacitors with high-frequency characteristics and
place them as close to the MCU as possible. Bypass requirements
depend on how heavily the MCU pins are loaded.
Provides operating voltage and ground for the analog-to-digital
converter. This allows the supply voltage to the A/D to be bypassed
independently.
Flash EEPROM programming voltage and supply voltage during normal
operation.
Freescale Semiconductor, Inc.
For More Information On This Product,
Pinout and Signal Descriptions
Go to: www.freescale.com
Table
4.
DD
and V
Pinout and Signal Descriptions
SS
MC68HC912BD32 Rev 1.0
. Because fast signal
Power Supply Pins
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