MC9S08QG4CPBE Freescale Semiconductor, MC9S08QG4CPBE Datasheet - Page 84
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MC9S08QG4CPBE
Manufacturer Part Number
MC9S08QG4CPBE
Description
IC MCU 8BIT 4K FLASH 16-PDIP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08QG8CDTER.pdf
(314 pages)
Specifications of MC9S08QG4CPBE
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
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
256 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-DIP (0.300", 7.62mm)
Processor Series
S08QG
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
256 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
Through Hole
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08QG8E
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08QG4CPBE
Manufacturer:
AVX
Quantity:
60 000
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1
Chapter 6 Parallel Input/Output Control
6.4.2.3
An output pin can be selected to have high output drive strength by setting the corresponding bit in the
drive strength select register (PTADS). When high drive is selected, a pin is capable of sourcing and
sinking greater current. Even though every I/O pin can be selected as high drive, the user must ensure that
the total current source and sink limits for the chip are not exceeded. Drive strength selection is intended
to affect the DC behavior of I/O pins. However, the AC behavior is also affected. High drive allows a pin
to drive a greater load with the same switching speed as a low drive enabled pin into a smaller load.
Because of this the EMC emissions may be affected by enabling pins as high drive.
6.4.2.4
82
PTADS[5:0]
Reset:
PTADS5 has no effect on the input-only PTA5 pin.
Field
5:0
W
R
Output Drive Strength Selection for Port A Bits — Each of these control bits selects between low and high
output drive for the associated PTA pin. For port A pins that are configured as inputs, these bits have no effect.
0 Low output drive strength selected for port A bit n.
1 High output drive strength selected for port A bit n.
Port A Drive Strength Select (PTADS)
Port A Drive Strength Select (PTADS)
0
7
0
Figure 6-8. Drive Strength Selection for Port A Register (PTADS)
0
0
6
Table 6-5. PTADS Register Field Descriptions
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
PTADS5
0
5
1
PTADS4
0
4
Description
PTADS3
3
0
PTADS2
0
2
PTADS1
Freescale Semiconductor
0
1
PTADS0
0
0
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