AN2400 Freescale Semiconductor / Motorola, AN2400 Datasheet - Page 12

• Manufacturer Part Number: AN2400
• Description: HCS12 NVM Guidelines
• Manufacturer: Freescale Semiconductor / Motorola

AN2400/D
12
For pipelined operation, the next command sequence can begin as soon as the
CBEIF bit is set. The command sequence is identical, beginning with the data
write, followed by the command write and finally the command launch.
Freescale Semiconductor, Inc.
For More Information On This Product,
Status Register
Status Register
Status Register
1 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0
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Figure 14. Pipelined Program Command Write
HCS12 NVM Guidelines
Figure 13. Pipelined NVM Block Write
Command State Machine
Command State Machine
Command State Machine
Figure 12. NVM Command Running
Command Register
Command Register
Command Register
Control
Control
Control
Running
Running
Running
$20
$20
$20
Address Register
Address Register
Address Register
Address Buffer
Address Buffer
Address Buffer
Address Bus
NVM
Address Bus
NVM
Address Bus
NVM
Address+1
Address+1
Address
Address
Address
Address
Data Register
Data Register
Data Register
Data Buffer
Data Buffer
Data Buffer
Data Bus
Data Bus
Data Bus
Data+1
Data+1
Data
Data
Data
Data
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