Rainbow-electronics AT89LP214 Manuel d'utilisateur télécharger pdf (Page 68)

68

3538A–MICRO–7/06

AT89LP213/214 [Preliminary]

Figure 23-3. Command Sequence Flow Chart

Figure 23-4. ISP Command Packet

Input Preamble 2

(55h)

Input Opcode

Input Address

High Byte

Input Address

Low Byte

Input/Output

Data

Address +1

Input Preamble 1

(AAh)

70654321 7 0654321 7 0654321 7 0654321

70654321

SS

SCK

MOSI

MISO

Preamble 2 Opcode Address High Address Low Data In

Data Out

X

XXX

Preamble 1

X

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 89 90

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