Freescale Semiconductor MC68HC908MR32 - Manual (Page 264)

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MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
264 Freescale Semiconductor
Figure 18-13. Monitor Mode Entry Timing
BYTE 1
BY
TE 1
EC
HO
BYTE 2
BY
TE 2
EC
HO
BYTE 8
BYTE 8 ECHO
COMMAND
COMMAND
ECHO
PA0
PA7
RST
V DD
4096 + 32 CGMXCLK CYCLES
24 BUS CYCLES
256 BUS CYCLES (MINIMUM)
1 3 1 1 2 1
BREAK
NOTES:
2 = Data return delay, 2 bit times
3 = Wait 1 bit time before sending next byte.
3
FROM HOST
FROM MCU
1 = Echo delay, 2 bit times