MC9S08AC8MFJE Freescale Semiconductor, MC9S08AC8MFJE Datasheet - Page 87
MC9S08AC8MFJE
Manufacturer Part Number
MC9S08AC8MFJE
Description
IC MCU 8BIT 8K FLASH 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08AC8CFGE.pdf
(336 pages)
Specifications of MC9S08AC8MFJE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
32-LQFP
Processor Series
S08AC
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
SCI/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
22
Number Of Timers
3
Operating Supply Voltage
- 0.3 V to + 5.8 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08AC60E, DEMOACEX, DEMOACKIT, DCF51AC256, DC9S08AC128, DC9S08AC16, DC9S08AC60, DEMO51AC256KIT
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
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Quantity
Price
Company:
Part Number:
MC9S08AC8MFJE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Refer to
as XTAL and EXTAL pins.
Refer to
keyboard inputs.
6.4
Reading and writing of parallel I/O is done through the port data registers. The direction, input or output,
is controlled through the port data direction registers. The parallel I/O port function for an individual pin
is illustrated in the block diagram below.
The data direction control bits determine whether the pin output driver is enabled, and they control what
is read for port data register reads. Each port pin has a data direction register bit. When PTxDDn = 0, the
corresponding pin is an input and reads of PTxD return the pin value. When PTxDDn = 1, the
corresponding pin is an output and reads of PTxD return the last value written to the port data register.
When a peripheral module or system function is in control of a port pin, the data direction register bit still
controls what is returned for reads of the port data register, even though the peripheral system has
overriding control of the actual pin direction.
When a shared analog function is enabled for a pin, all digital pin functions are disabled. A read of the port
data register returns a value of 0 for any bits which have shared analog functions enabled. In general,
whenever a pin is shared with both an alternate digital function and an analog function, the analog function
Freescale Semiconductor
Chapter 8, “Internal Clock Generator
Chapter 9, “Keyboard Interrupt
Parallel I/O Control
Port Read
BUSCLK
Data
PTxDDn
D
D
PTxDn
Figure 6-9. Parallel I/O Block Diagram
MC9S08AC16 Series Data Sheet, Rev. 8
Q
Q
(S08KBIV1)” for more information about using port G pins as
(S08ICGV4)” for more information about using port G pins
1
0
Synchronizer
Output Enable
Output Data
Chapter 6 Parallel Input/Output
Input Data
87
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