MC68908GZ8MFAE Freescale Semiconductor, MC68908GZ8MFAE Datasheet - Page 110
![IC MCU 8BIT 8K FLASH 48-LQFP](/photos/37/62/376278/tqfp-48_sml.jpg)
MC68908GZ8MFAE
Manufacturer Part Number
MC68908GZ8MFAE
Description
IC MCU 8BIT 8K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GZ8CFJER.pdf
(314 pages)
Specifications of MC68908GZ8MFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LIN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
Processor Series
M689xx
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, SCI, CAN
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- Current page: 110 of 314
- Download datasheet (5Mb)
Low-Power Modes
10.3 Break Module (BRK)
10.3.1 Wait Mode
If enabled, the break (BRK) module is active in wait mode. In the break routine, the user can subtract one
from the return address on the stack if the SBSW bit in the break status register is set.
10.3.2 Stop Mode
The break module is inactive in stop mode. The STOP instruction does not affect break module register
states.
10.4 Central Processor Unit (CPU)
10.4.1 Wait Mode
The WAIT instruction:
10.4.2 Stop Mode
The STOP instruction:
After exiting stop mode, the CPU clock begins running after the oscillator stabilization delay.
10.5 Clock Generator Module (CGM)
10.5.1 Wait Mode
The clock generator module (CGM) remains active in wait mode. Before entering wait mode, software can
disengage and turn off the PLL by clearing the BCS and PLLON bits in the PLL control register (PCTL).
Less power-sensitive applications can disengage the PLL without turning it off. Applications that require
the PLL to wake the MCU from wait mode also can deselect the PLL output without turning off the PLL.
10.5.2 Stop Mode
If the OSCSTOPEN bit in the CONFIG register is cleared (default), then the STOP instruction disables
the CGM (oscillator and phase-locked loop) and holds low all CGM outputs (CGMXCLK, CGMOUT, and
CGMINT).
If the OSCSTOPEN bit in the CONFIG register is set, then the phase locked loop is shut off, but the
oscillator will continue to operate in stop mode.
110
•
•
•
•
Clears the interrupt mask (I bit) in the condition code register, enabling interrupts. After exit from
wait mode by interrupt, the I bit remains clear. After exit by reset, the I bit is set.
Disables the CPU clock
Clears the interrupt mask (I bit) in the condition code register, enabling external interrupts. After
exit from stop mode by external interrupt, the I bit remains clear. After exit by reset, the I bit is set.
Disables the CPU clock
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Freescale Semiconductor
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