MCHC908GR8AVFAE Freescale Semiconductor, MCHC908GR8AVFAE Datasheet - Page 126
MCHC908GR8AVFAE
Manufacturer Part Number
MCHC908GR8AVFAE
Description
IC MCU 8K FLASH 8MHZ 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MCHC908GR8ACFAE.pdf
(260 pages)
Specifications of MCHC908GR8AVFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
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 ~ 105°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC908GR8AVFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Input/Output (I/O) Ports
Figure 12-15
When bit DDRDx is a 1, reading address $0003 reads the PTDx data latch. When bit DDRDx is a 0,
reading address $0003 reads the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
126
1. X = Don’t care
2. I/O pin pulled up to V
3. Writing affects data register, but does not affect input.
4. Hi-Z = High impedance
PTDPUE
Bit
X
1
0
shows the port D I/O logic.
DDRD
Bit
0
0
1
DD
READ DDRD ($0007)
WRITE DDRD ($0007)
WRITE PTD ($0003)
READ PTD ($0003)
by internal pullup device.
PTD
X
Bit
X
X
(1)
MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 5
Input, Hi-Z
Input, V
Table 12-5. Port D Pin Functions
RESET
Figure 12-15. Port D I/O Circuit
I/O Pin
Output
Mode
DD
(2)
(4)
Table 12-5
Accesses to DDRD
DDRDx
PTDx
DDRD6–DDRD0
DDRD6–DDRD0
DDRD6–DDRD0
Read/Write
summarizes the operation of the port D pins.
PTDPUEx
PTD6–PTD0
Read
Pin
Pin
Accesses to PTD
V
DD
Freescale Semiconductor
INTERNAL
PULLUP
DEVICE
PTDx
PTD6–PTD0
PTD6–PTD0
PTD6–PTD0
Write
(3)
(3)
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