MC68HC908GR4CFA Freescale Semiconductor, MC68HC908GR4CFA Datasheet - Page 227

• Manufacturer Part Number: MC68HC908GR4CFA
• Description: IC MCU 4K FLASH 8.2MHZ 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR4CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 4KB (4K 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: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

MC68HC908GR8 — Rev 4.0
MOTOROLA
DDRE Bit
Notes:
1. X = Don’t care
2. Hi-Z = High impedance
3. Writing affects data register, but does not affect input.
0
1
PTE Bit
X
X
(1)
When bit DDREx is a logic 1, reading address $0008 reads the PTEx
data latch. When bit DDREx is a logic 0, reading address $0008 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 E pins.
I/O Pin Mode
Input, Hi-Z
Freescale Semiconductor, Inc.
For More Information On This Product,
Output
Table 16-6. Port E Pin Functions
READ DDRE ($000C)
WRITE DDRE ($000C)
WRITE PTE ($0008)
READ PTE ($0008)
(2)
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Input/Output Ports (I/O)
Accesses to DDRE
Figure 16-19. Port E I/O Circuit
DDRE1–DDRE0]
RESET
DDRE1–DDRE0
Read/Write
DDREx
PTEx
PTE1–PTE0
Read
Pin
Table 16-6
Accesses to PTE
Input/Output Ports (I/O)
PTE1–PTE0
PTE1–PTE0
summarizes
Technical Data
Write
Port E
PTEx
(3)
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