MC68HRC908JK3CP Freescale Semiconductor, MC68HRC908JK3CP Datasheet - Page 154
MC68HRC908JK3CP
Manufacturer Part Number
MC68HRC908JK3CP
Description
IC MCU FLASH 8B 8MHZ RC 4K 20DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908JK1CDW.pdf
(212 pages)
Specifications of MC68HRC908JK3CP
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LED, LVD, POR, PWM
Number Of I /o
15
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 12x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HRC908JK3CP
Manufacturer:
FREECAL
Quantity:
20 000
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I/O Ports
Technical Data
152
PTAPUE Bit
1. X = Don’t care.
2. I/O pin pulled to V
3. Writing affects data register, but does not affect input.
4. Hi-Z = High Impedence
1
0
X
DDRA
Bit
0
0
1
DD
Address:
PTA6EN — Enable PTA6 on OSC2
PTAPUE[6:0] — Port A Input Pull-up Enable bits
Table 12-1
Reset:
by internal pull-up.
Read:
Write:
PTA Bit
This read/write bit configures the OSC2 pin function when RC
oscillator option is selected. This bit has no effect for X-tal oscillator
option.
These read/write bits are software programmable to enable pull-up
devices on port A pins
Figure 12-5. Port A Input Pull-up Enable Register (PTAPUE)
X
X
X
(1)
1 = OSC2 pin configured for PTA6 I/O, and has all the interrupt and
0 = OSC2 pin outputs the RC oscillator clock (RCCLK)
1 = Corresponding port A pin configured to have internal pull if its
0 = Pull-up device is disconnected on the corresponding port A pin
Table 12-1. Port A Pin Functions
PTA6EN
$000D
Bit 7
pull-up functions.
DDRA bit is set to 0
regardless of the state of its DDRA bit.
0
Input, V
Input, Hi-Z
I/O Pin Mode
summarizes the operation of the port B pins.
Output
PTAPUE
DD
6
6
0
(2)
(4)
I/O Ports
PTAPUE
Accesses to DDRB
DDRA6-DDRA0
DDRA6-DDRA0
DDRA6-DDRA0
5
5
0
Read/Write
PTAPUE
4
4
0
PTAPUE
PTA6-PTA0
3
3
0
Read
Pin
Pin
MC68H(R)C908JL3
Accesses to PTB
PTAPUE
Freescale Semiconductor
2
2
0
PTA6-PTA0
PTA6-PTA0
PTA6-PTA0
PTAPUE
Write
1
2
0
—
(3)
(3)
PTAPUE
Rev. 1.1
Bit 0
0
0
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