mc68hc705v12 Freescale Semiconductor, Inc, mc68hc705v12 Datasheet - Page 142

• Manufacturer Part Number: mc68hc705v12
• Description: M68hc05-based Mcu Hc05 Freescale Semiconductor
• Manufacturer: Freescale Semiconductor, Inc

Byte Data Link Controller – Digital (BDLC–D)
14.4.1 BDLC Operating Modes
Advance Information
The BDLC has five main modes of operation which interact with the
power supplies, pins, and reset of the MCU as shown in
NETWORK ACTIVITY OR
OTHER MCU WAKEUP
BDLC STOP
Freescale Semiconductor, Inc.
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Byte Data Link Controller – Digital (BDLC–D)
(COP, ILLADDR, PU, RESET, LVR, POR)
ANY MCU RESET SOURCE ASSERTED
Figure 14-3. BDLC Operating Modes State Diagram
V
DD
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STOP INSTRUCTION OR
WAIT INSTRUCTION AND WCM = 1
FROM ANY MODE
V
DD
(MINIMUM)
POWER OFF
RESET
RUN
V
ANY MCU RESET SOURCE ASSERTED
DD
NO MCU RESET SOURCE ASSERTED
WAIT INSTRUCTION AND WCM = 0
> V
DD
MC68HC705V12
(MINIMUM) AND
NETWORK ACTIVITY OR
OTHER MCU WAKEUP
BDLC WAIT
Figure
—
14-3.
Rev. 3.0