MC9S08RE16FDE Freescale Semiconductor, MC9S08RE16FDE Datasheet - Page 82
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MC9S08RE16FDE
Manufacturer Part Number
MC9S08RE16FDE
Description
IC MCU 16K FLASH 1K RAM 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08RE16FDE
Core Processor
HCS08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
48-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
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Parallel Input/Output
6.6.4
Port D pins used as general-purpose I/O pins are controlled by the port D data (PTDD), data direction
(PTDDD), and pullup enable (PTDPE) registers.
82
PTCDD[7:0]
PTDD[6:0]
Field
Field
7:0
6:0
Reset
Reset
W
W
R
R
Port D Registers (PTDD, PTDPE, and PTDDD)
Data Direction for Port C Bits — These read/write bits control the direction of port C pins and what is read for
PTCD reads.
0 Input (output driver disabled) and reads return the pin value.
1 Output driver enabled for port C bit n and PTCD reads return the contents of PTCDn.
Port D Data Register Bits — For port D pins that are inputs, reads return the logic level on the pin. For port D
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 D pins that are configured as outputs, the logic level is
driven out the corresponding MCU pin.
Reset forces PTDD 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.
PTCDD7
0
0
0
7
7
= Unimplemented or Reserved
PTCDD6
PTDD6
6
0
6
0
Figure 6-14. Data Direction for Port C (PTCDD)
Figure 6-15. Port D Data Register (PTDD)
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
Table 6-9. PTCDD Field Descriptions
Table 6-10. PTDD Field Descriptions
PTCDD5
PTDD5
0
0
5
5
PTCDD4
PTDD4
4
0
4
0
Description
Description
PTCDD3
PTDD3
0
0
3
3
PTCDD2
PTDD2
2
0
2
0
PTCDD1
Freescale Semiconductor
PTDD1
0
0
1
1
PTCDD0
PTDD0
0
0
0
0
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