MC68HC908GR8CP Freescale Semiconductor, MC68HC908GR8CP Datasheet - Page 218

• Manufacturer Part Number: MC68HC908GR8CP
• Description: IC MCU FLASH 8BIT 8MHZ 4K 28-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR8CP

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 17
• Program Memory Size: 7.5KB (7.5K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Input/Output Ports (I/O)
Technical Data
218
PTCPUE Bit
Notes:
1. X = Don’t care
2. Hi-Z = High impedance
3. Writing affects data register, but does not affect input.
4. I/O pin pulled up to V
X
1
0
DDRC Bit
0
0
1
DD
When bit DDRCx is a logic 1, reading address $0002 reads the PTCx
data latch. When bit DDRCx is a logic 0, reading address $0002 reads
the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
the operation of the port C pins.
PTC Bit
by internal pullup device.
Freescale Semiconductor, Inc.
X
X
X
For More Information On This Product,
(1)
Table 16-4. Port C Pin Functions
READ DDRC ($0006)
WRITE DDRC ($0006)
WRITE PTC ($0002)
READ PTC ($0002)
PTCPUEx
I/O Pin Mode
Input, Hi-Z
Input, V
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Input/Output Ports (I/O)
Output
DD
Figure 16-11. Port C I/O Circuit
RESET
(4)
(2)
V
DD
Accesses to DDRC
INTERNAL
PULLUP
DEVICE
DDRC1–DDRC0
DDRC1–DDRC0
DDRC1–DDRC0
Read/Write
DDRCx
PTCx
PTC1–PTC0
Table 16-4
MC68HC908GR8 — Rev 4.0
Read
Pin
Pin
Accesses to PTC
PTC1–PTC0
PTC1–PTC0
summarizes
PTC1–PTC0
MOTOROLA
Write
PTCx
(3)
(3)