MC908GZ32VFAER Freescale Semiconductor, MC908GZ32VFAER Datasheet - Page 261
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MC908GZ32VFAER
Manufacturer Part Number
MC908GZ32VFAER
Description
IC MCU 8BIT 32K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GZ60CFJE.pdf
(352 pages)
Specifications of MC908GZ32VFAER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908GZ32VFAER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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As an example, a 4.9152 MHz crystal, with the TMBCLKSEL set for divide-by-128 and the TBR2–TBR0
set to {011}, the divider is 16,384 and the interrupt rate calculates to:
17.6 Low-Power Modes
The WAIT and STOP instructions put the MCU in low power- consumption standby modes.
17.6.1 Wait Mode
The timebase module remains active after execution of the WAIT instruction. In wait mode the timebase
register is not accessible by the CPU.
If the timebase functions are not required during wait mode, reduce the power consumption by stopping
the timebase before executing the WAIT instruction.
17.6.2 Stop Mode
The timebase module may remain active after execution of the STOP instruction if the oscillator has been
enabled to operate during stop mode through the OSCENINSTOP bit in the configuration register. The
timebase module can be used in this mode to generate a periodic wakeup from stop mode.
If the oscillator has not been enabled to operate in stop mode, the timebase module will not be active
during stop mode. In stop mode, the timebase register is not accessible by the CPU.
If the timebase functions are not required during stop mode, reduce power consumption by disabling the
timebase module before executing the STOP instruction.
Freescale Semiconductor
4.9152 x 10
Do not change TBR2–TBR0 bits while the timebase is enabled (TBON = 1).
16,384
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
TBR2
6
0
0
0
0
1
1
1
1
= 3.33 ms
Table 17-1. Timebase Divider Selection
TBR1
0
0
1
1
0
0
1
1
TBR0
0
1
0
1
0
1
0
1
NOTE
32,768
8192
2048
128
64
32
16
0
8
TMBCLKSEL
Divider
4,194,304
1,048,576
262144
16,384
8192
4096
2048
1024
1
Low-Power Modes
261
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