MC908SR12MFAE Freescale Semiconductor, MC908SR12MFAE Datasheet - Page 313

• Manufacturer Part Number: MC908SR12MFAE
• Description: IC MCU 12K FLASH 8MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908SR12MFAE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, Temp Sensor
• Number Of I /o: 31
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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
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