MC9S08QG84CFFE Freescale Semiconductor, MC9S08QG84CFFE Datasheet - Page 28
![IC MCU 8BIT 8K FLASH 16-QFN](/photos/12/33/123398/mc9s08qg84cffe_sml.jpg)
MC9S08QG84CFFE
Manufacturer Part Number
MC9S08QG84CFFE
Description
IC MCU 8BIT 8K FLASH 16-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08QG8CDTER.pdf
(314 pages)
Specifications of MC9S08QG84CFFE
Core Processor
HCS08
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
12
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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-QFN
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
12
Number Of Timers
1
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
For Use With
DEMO9S08QG8E - BOARD DEMO FOR MC9S08QG8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Chapter 2 External Signal Description
2.2.1
V
I/O buffer circuitry, ACMP and ADC modules, and to an internal voltage regulator. The internal voltage
regulator provides a regulated lower-voltage source to the CPU and other internal circuitry of the MCU.
Typically, application systems have two separate capacitors across the power pins: a bulk electrolytic
capacitor, such as a 10-μF tantalum capacitor, to provide bulk charge storage for the overall system, and a
bypass capacitor, such as a 0.1-μF ceramic capacitor, located as near to the MCU power pins as practical
to suppress high-frequency noise.
26
ASYNCHRONOUS
DD
INTERRUPT
V
INPUT
DD
and V
C1
NOTES:
SYSTEM
POWER
BACKGROUND HEADER
NOTE 1
1. Not required if using the internal clock option.
2. XTAL is the same pin as PTB6; EXTAL the same pin as PTB7.
3. The RESET pin can only be used to reset into user mode; you can not enter BDM using the RESET pin.
4. IRQ feature has optional internal pullup device.
5. RC filter on RESET/IRQ pin recommended for noisy environments.
SS
Power
BDM can be entered by holding MS low during POR or writing a 1 to BDFR in SBDFR with MS low after
issuing the BDM command.
+
3 V
X1
are the primary power supply pins for the MCU. This voltage source supplies power to all
OPTIONAL
R
MANUAL
C
RESET
10 μF
F
BLK
C2
V
+
DD
V
DD
R
4.7 kΩ–10 kΩ
S
0.1 μF
0.1 μF
C
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
BY
Figure 2-4. Basic System Connections
V
V
XTAL
NOTE 2
NOTE 2
DD
SS
EXTAL
BKGD
RESET/IRQ
MC9S08QG8/4
PORT
PORT
B
A
PTB4/MISO
PTB6/SDA/XTAL
PTB2/KBIP6/SPSCK/ADP6
PTB5/TPMCH1/SS
PTB7/SCL/EXTAL
PTA0/KBIP0/TPMCH0/ADP0/ACMP+
PTA1/KBIP1/ADP1/ACMP–
PTA2/KBIP2/SDA/ADP2
PTA3/KBIP3/SCL/ADP3
PTA4/ACMPO/BKGD/MS
PTA5/IRQ/TCLK/RESET
PTB0/KBIP4/RxD/ADP4
PTB1/KBIP5/TxD/ADP5
PTB3/KBIP7/MOSI/ADP7
Freescale Semiconductor
INTERFACE TO
APPLICATION
PERIPHERAL
SYSTEM
I/O AND
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