MC68HC908SR12CB Freescale Semiconductor, MC68HC908SR12CB Datasheet - Page 313
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MC68HC908SR12CB
Manufacturer Part Number
MC68HC908SR12CB
Description
IC MCU 12K FLASH 8MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC68HC908SR12CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
29
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908SR12CB
Manufacturer:
TI/NSC
Quantity:
340
Part Number:
MC68HC908SR12CB
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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17.9 SMBus Protocols with PEC and without PEC
17.9.1 Quick Command
17.9.2 Send Byte
17.9.3 Receive Byte
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Following is a description of the various MMIIC bus protocols with and
without a packet error code (PEC).
(a) Send Byte Protocol
(b) Send Byte Protocol with PEC
(a) Receive Byte Protocol
(b) Receive Byte Protocol with PEC
START
START
START
START
START
Multi-Master IIC Interface (MMIIC)
1
Slave Address
Slave Address
Slave Address
Slave Address
Start Condition
Slave Address
Command Bit
Figure 17-13. Quick Command
Acknowledge
7
W
W
R
R
Figure 17-15. Receive Byte
Figure 17-14. Send Byte
ACK
ACK
ACK
ACK
RW
1
ACK
Command Code
Command Code
1
Data Byte
Data Byte
SMBus Protocols with PEC and without PEC
STOP
1
Stop Condition
ACK
ACK
NAK
ACK
Multi-Master IIC Interface (MMIIC)
STOP
STOP
PEC
PEC
Master to Slave
Slave to Master
ACK
NAK
Data Sheet
STOP
STOP
313
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