mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 18
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mc68hc908sr12
Manufacturer Part Number
mc68hc908sr12
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908SR12.pdf
(404 pages)
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Table of Contents
Data Sheet
18
17.7.1
17.7.2
17.7.3
17.7.4
17.7.5
17.7.6
17.7.7
17.7.8
17.8
17.8.1
17.9
17.9.1
17.9.2
17.9.3
17.9.4
17.9.5
17.9.6
17.9.7
17.10 SMBus Protocol Implementation . . . . . . . . . . . . . . . . . . . . . . 316
18.1
18.2
18.3
18.3.1
18.3.2
18.3.3
18.4
18.4.1
18.4.2
18.5
18.5.1
18.5.2
18.5.3
SMBus Protocols with PEC and without PEC. . . . . . . . . . . . . 313
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .317
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
Program Algorithm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
MMIIC Address Register (MMADR) . . . . . . . . . . . . . . . . . . 299
MMIIC Control Register 1 (MMCR1) . . . . . . . . . . . . . . . . . 301
MMIIC Control Register 2 (MMCR2) . . . . . . . . . . . . . . . . . 303
MMIIC Status Register (MMSR). . . . . . . . . . . . . . . . . . . . . 305
MMIIC Data Transmit Register (MMDTR) . . . . . . . . . . . . . 307
MMIIC Data Receive Register (MMDRR). . . . . . . . . . . . . . 308
MMIIC CRC Data Register (MMCRCDR). . . . . . . . . . . . . . 309
MMIIC Frequency Divider Register (MMFDR) . . . . . . . . . . 310
Data Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .312
Quick Command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
Send Byte. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
Receive Byte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
Write Byte/Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314
Read Byte/Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314
Process Call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Block Read/Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Port A Data Register (PTA) . . . . . . . . . . . . . . . . . . . . . . . . 320
Data Direction Register A (DDRA) . . . . . . . . . . . . . . . . . . . 321
Port A LED Control Register (LEDA) . . . . . . . . . . . . . . . . . 323
Port B Data Register (PTB) . . . . . . . . . . . . . . . . . . . . . . . . 324
Data Direction Register B (DDRB) . . . . . . . . . . . . . . . . . . . 325
Port C Data Register (PTC) . . . . . . . . . . . . . . . . . . . . . . . . 327
Data Direction Register C (DDRC). . . . . . . . . . . . . . . . . . . 329
Port C LED Control Register (LEDC) . . . . . . . . . . . . . . . . . 330
Section 18. Input/Output (I/O) Ports
Table of Contents
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
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