MCHC908JK3CPE Freescale Semiconductor, MCHC908JK3CPE Datasheet - Page 101
MCHC908JK3CPE
Manufacturer Part Number
MCHC908JK3CPE
Description
IC MCU 4K FLASH 20-PDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908JK1CDW.pdf
(212 pages)
Specifications of MCHC908JK3CPE
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
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
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Part Number
Manufacturer
Quantity
Price
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8.5.5 RC Oscillator Clock (RCCLK)
8.5.6 Oscillator Out 2 (2OSCOUT)
8.5.7 Oscillator Out (OSCOUT)
8.6 Low Power Modes
8.6.1 Wait Mode
8.6.2 Stop Mode
MC68H(R)C908JL3
Freescale Semiconductor
—
Rev. 1.1
RCCLK is the RC oscillator output signal. Its frequency is directly
proportional to the time constant of the external R and C.
shows only the logical relation of RCCLK to OSC1 and may not
represent the actual circuitry.
2OSCOUT is same as the input clock (XTALCLK or RCCLK). This signal
is driven to the SIM module and is used to determine the COP cycles.
The frequency of this signal is equal to half of the 2OSCOUT, this signal
is driven to the SIM for generation of the bus clocks used by the CPU
and other modules on the MCU. OSCOUT will be divided again in the
SIM and results in the internal bus frequency being one fourth of the
XTALCLK or RCCLK frequency.
The WAIT and STOP instructions put the MCU in low-power
consumption standby modes.
The WAIT instruction has no effect on the oscillator logic. OSCOUT and
2OSCOUT continues to drive to the SIM module.
The STOP instruction disables the XTALCLK or the RCCLK output,
hence OSCOUT and 2OSCOUT.
Oscillator (OSC)
Figure 8-2
Oscillator (OSC)
Technical Data
99
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