MC9S08QG8CDNE Freescale Semiconductor, MC9S08QG8CDNE Datasheet - Page 167
![IC MCU 8K FLASH 8MHZ 8-SOIC](/photos/12/33/123364/mc9s08qg8cdne_sml.jpg)
MC9S08QG8CDNE
Manufacturer Part Number
MC9S08QG8CDNE
Description
IC MCU 8K FLASH 8MHZ 8-SOIC
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08QG8CDTER.pdf
(314 pages)
Specifications of MC9S08QG8CDNE
Core Processor
HCS08
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
4
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (3.9mm Width)
Processor Series
S08QG
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI/SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
12
Number Of Timers
1
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08QG8E
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
For Use With
DEMO9S08QG8E - BOARD DEMO FOR MC9S08QG8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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11.4
This section provides a complete functional description of the IIC module.
11.4.1
The IIC bus system uses a serial data line (SDA) and a serial clock line (SCL) for data transfer. All devices
connected to it must have open drain or open collector outputs. A logic AND function is exercised on both
lines with external pull-up resistors. The value of these resistors is system dependent.
Normally, a standard communication is composed of four parts:
The STOP signal should not be confused with the CPU STOP instruction. The IIC bus system
communication is described briefly in the following sections and illustrated in
Freescale Semiconductor
SDA
SCL
SDA
SCL
•
•
•
•
SIGNAL
SIGNAL
START
START
START signal
Slave address transmission
Data transfer
STOP signal
MSB
MSB
AD7 AD6 AD5 AD4 AD3 AD2 AD1 R/W
Functional Description
AD7 AD6 AD5 AD4 AD3 AD2 AD1 R/W
1
1
IIC Protocol
2
2
CALLING ADDRESS
CALLING ADDRESS
3
3
4
4
5
5
6
6
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
Figure 11-8. IIC Bus Transmission Signals
7
7
READ/
WRITE
READ/
WRITE
LSB
LSB
8
8
ACK
ACK
BIT
BIT
9
9
XX
REPEATED
SIGNAL
XXX
START
MSB
MSB
AD7 AD6 AD5 AD4 AD3 AD2 AD1 R/W
D7
1
1
D6
2
2
NEW CALLING ADDRESS
D5
3
3
DATA BYTE
D4
4
4
D3
5
5
D2
6
6
D1
7
7
Inter-Integrated Circuit (S08IICV1)
Figure
READ/
WRITE
LSB
LSB
D0
8
8
ACK
BIT
NO
ACK
NO
BIT
9
9
11-8.
SIGNAL
SIGNAL
STOP
STOP
165
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