MC68HC908JB8JP Freescale Semiconductor, MC68HC908JB8JP Datasheet - Page 212
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MC68HC908JB8JP
Manufacturer Part Number
MC68HC908JB8JP
Description
IC MCU FLASH 8BIT 8K 20-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JB8JDWE.pdf
(286 pages)
Specifications of MC68HC908JB8JP
Core Processor
HC08
Core Size
8-Bit
Speed
3MHz
Connectivity
USB
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908JB8JP
Manufacturer:
MOT
Quantity:
6 246
Part Number:
MC68HC908JB8JP
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Input/Output Ports (I/O)
12.7 Port E
Technical Data
212
When bit DDRDx is a logic 1, reading address $0003 reads the PTDx
data latch. When bit DDRDx is a logic 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.
the operation of the port D pins.
Port E is a 5-bit special function port that shares three of its pins with the
timer interface module (TIM) and two of its pins with the USB data pins
D+ and D–. PTE4 and PTE3 are open drain when configured as output.
NOTES:
1. X = don’t care.
2. Hi-Z = high impedance.
3. Writing affects data register, but does not affect input.
DDRD
Bit
0
1
READ DDRD ($0007)
WRITE DDRD ($0007)
WRITE PTD ($0003)
READ PTD ($0003)
PTD Bit
Input/Output Ports (I/O)
X
X
(1)
Table 12-5. Port D Pin Functions
Figure 12-13. Port D I/O Circuit
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
RESET
I/O Pin Mode
Input, Hi-Z
Output
(2)
DDRDx
PTDx
Read/Write
DDRD[7:0]
DDRD[7:0]
Accesses
to DDRD
Table 12-5
PTD[7:0]
Freescale Semiconductor
Read
Accesses to PTD
Pin
summarizes
PTD[7:0]
PTD[7:0]
Write
PTDx
(3)
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