MCHC908JK1ECPE Freescale Semiconductor, MCHC908JK1ECPE Datasheet - Page 27
![IC MCU 1.5K FLASH XTAL 20-DIP](/photos/38/0/380057/pdip20_sml.jpg)
MCHC908JK1ECPE
Manufacturer Part Number
MCHC908JK1ECPE
Description
IC MCU 1.5K FLASH XTAL 20-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JK1ECDWE.pdf
(180 pages)
Specifications of MCHC908JK1ECPE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LED, LVD, POR, PWM
Number Of I /o
14
Program Memory Size
1.5KB (1.5K 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)
Processor Series
HC08JK
Core
HC08
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
23
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Development Tools By Supplier
FSICEBASE, DEMO908JL16E, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC908JK1ECPE
Manufacturer:
Freescale Semiconductor
Quantity:
135
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2.4 Random-Access Memory (RAM)
Addresses $0080 through $00FF are RAM locations. The location of the stack RAM is programmable.
The 16-bit stack pointer allows the stack to be anywhere in the 64-Kbyte memory space.
Within page zero are 128 bytes of RAM. Because the location of the stack RAM is programmable, all page
zero RAM locations can be used for I/O control and user data or code. When the stack pointer is moved
from its reset location at $00FF, direct addressing mode instructions can access efficiently all page zero
RAM locations. Page zero RAM, therefore, provides ideal locations for frequently accessed global
variables.
Before processing an interrupt, the CPU uses five bytes of the stack to save the contents of the CPU
registers.
Freescale Semiconductor
For correct operation, the stack pointer must point only to RAM locations.
Vector Priority
Highest
Lowest
For M6805 compatibility, the H register is not stacked.
INT Flag
MC68HC908JL3E Family Data Sheet, Rev. 4
IF15
IF14
IF13
IF6
IF5
IF4
IF3
IF2
IF1
—
—
—
↓
Table 2-1. Vector Addresses
Address
$FFDD
$FFD0
$FFDE
$FFDF
$FFFB
$FFFC
$FFFD
$FFFE
$FFE0
$FFE1
$FFF2
$FFF3
$FFF4
$FFF5
$FFF6
$FFF7
$FFFA
$FFFF
—
—
↓
NOTE
NOTE
Not Used
ADC Conversion Complete Vector (High)
ADC Conversion Complete Vector (Low)
Keyboard Vector (High)
Keyboard Vector (Low)
Not Used
TIM Overflow Vector (High)
TIM Overflow Vector (Low)
TIM Channel 1 Vector (High)
TIM Channel 1 Vector (Low)
TIM Channel 0 Vector (High)
TIM Channel 0 Vector (Low)
Not Used
IRQ Vector (High)
IRQ Vector (Low)
SWI Vector (High)
SWI Vector (Low)
Reset Vector (High)
Reset Vector (Low)
Vector
Random-Access Memory (RAM)
27
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