MC908GZ48VFAE Freescale Semiconductor, MC908GZ48VFAE Datasheet - Page 271
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MC908GZ48VFAE
Manufacturer Part Number
MC908GZ48VFAE
Description
IC MCU 16K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GZ60CFJE.pdf
(352 pages)
Specifications of MC908GZ48VFAE
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
48KB (48K 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:
MC908GZ48VFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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18.7 Input/Output Signals
Port D shares two of its pins with the TIM1. The two TIM1 channel I/O pins are PTD4/T1CH0 and
PTD5/T1CH1.
Each channel I/O pin is programmable independently as an input capture pin or an output compare pin.
PTD4/T1CH0 can be configured as a buffered output compare or buffered PWM pin.
18.8 Input/Output Registers
The following I/O registers control and monitor operation of the TIM:
18.8.1 TIM1 Status and Control Register
The TIM1 status and control register (T1SC) does the following:
TOF — TIM1 Overflow Flag Bit
TOIE — TIM1 Overflow Interrupt Enable Bit
Freescale Semiconductor
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•
•
•
•
•
•
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This read/write flag is set when the TIM1 counter reaches the modulo value programmed in the TIM1
counter modulo registers. Clear TOF by reading the TIM1 status and control register when TOF is set
and then writing a 0 to TOF. If another TIM1 overflow occurs before the clearing sequence is complete,
then writing 0 to TOF has no effect. Therefore, a TOF interrupt request cannot be lost due to
inadvertent clearing of TOF. Reset clears the TOF bit. Writing a 1 to TOF has no effect.
This read/write bit enables TIM1 overflow interrupts when the TOF bit becomes set. Reset clears the
TOIE bit.
1 = TIM1 counter has reached modulo value
0 = TIM1 counter has not reached modulo value
1 = TIM1 overflow interrupts enabled
0 = TIM1 overflow interrupts disabled
TIM1 status and control register (T1SC)
TIM1 counter registers (T1CNTH:T1CNTL)
TIM1 counter modulo registers (T1MODH:T1MODL)
TIM1 channel status and control registers (T1SC0 and T1SC1)
TIM1 channel registers (T1CH0H:T1CH0L and T1CH1H:T1CH1L)
Enables TIM1 overflow interrupts
Flags TIM1 overflows
Stops the TIM1 counter
Resets the TIM1 counter
Prescales the TIM1 counter clock
Address: $0020
Reset:
Read:
Write:
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
Bit 7
TOF
Figure 18-5. TIM1 Status and Control Register (T1SC)
0
0
= Unimplemented
TOIE
6
0
TSTOP
5
1
TRST
4
0
0
3
0
0
PS2
2
0
PS1
1
0
Input/Output Signals
Bit 0
PS0
0
271
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