MC9S08AC8MFJE Freescale Semiconductor, MC9S08AC8MFJE Datasheet - Page 89
![IC MCU 8BIT 8K FLASH 32-LQFP](/photos/12/33/123395/mc9s08ac8mfje_sml.jpg)
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
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08AC8MFJE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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1
6.6
Depending on the stop mode, I/O functions differently as the result of executing a STOP instruction. An
explanation of I/O behavior for the various stop modes follows:
6.7
This section provides information about the registers associated with the parallel I/O ports and pin control
functions. These parallel I/O registers are located in page zero of the memory map and the pin control
registers are located in the high page register section of memory.
Refer to tables in
control registers. This section refers to registers and control bits only by their names. A Freescale-provided
equate or header file normally is used to translate these names into the appropriate absolute addresses.
6.7.1
Port A parallel I/O function is controlled by the registers listed below.
Freescale Semiconductor
Bits 6 through 3 are reserved bits that must always be written to 0.
Reset
PTADn
7, 2:0
•
•
Field
W
R
Stop2 mode is a partial power-down mode, whereby I/O latches are maintained in their state as
before the STOP instruction was executed. CPU register status and the state of I/O registers should
be saved in RAM before the STOP instruction is executed to place the MCU in stop2 mode. Upon
recovery from stop2 mode, before accessing any I/O, the user should examine the state of the PPDF
bit in the SPMSC2 register. If the PPDF bit is 0, I/O must be initialized as if a power on reset had
occurred. If the PPDF bit is 1, I/O data previously stored in RAM, before the STOP instruction was
executed, peripherals may require being initialized and restored to their pre-stop condition. The
user must then write a 1 to the PPDACK bit in the SPMSC2 register. Access to I/O is now permitted
again in the user’s application program.
In stop3 mode, all I/O is maintained because internal logic circuity stays powered up. Upon
recovery, normal I/O function is available to the user.
Pin Behavior in Stop Modes
Parallel I/O and Pin Control Registers
PTAD7
Port A I/O Registers (PTAD and PTADD)
Port A Data Register Bits — For port A pins that are inputs, reads return the logic level on the pin. For port A
pins that are configured as outputs, reads return the last value written to this register.
Writes are latched into all bits of this register. For port A pins that are configured as outputs, the logic level is
driven out the corresponding MCU pin.
Reset forces PTAD to all 0s, but these 0s are not driven out the corresponding pins because reset also configures
all port pins as high-impedance inputs with pullups disabled.
0
7
Chapter 4,
R
0
6
“Memory,” for the absolute address assignments for all parallel I/O and pin
Table 6-1. PTAD Register Field Descriptions
Figure 6-10. Port A Data Register (PTAD)
MC9S08AC16 Series Data Sheet, Rev. 8
R
0
5
R
0
4
Description
R
3
0
PTAD2
1
0
2
Chapter 6 Parallel Input/Output
PTAD1
0
1
PTAD0
0
0
89
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