MC908GZ32VFAER Freescale Semiconductor, MC908GZ32VFAER Datasheet - Page 185
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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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13.8 Port F
Port F is an 8-bit special-function port that shares four of its pins with the timer interface (TIM2) module.
13.8.1 Port F Data Register
The port F data register (PTF) contains a data latch for each of the eight port F pins.
PTF7–PTF0 — Port F Data Bits
T2CH5–T2CH2 — Timer 2 Channel I/O Bits
13.8.2 Data Direction Register F
Data direction register F (DDRF) determines whether each port F pin is an input or an output. Writing a 1
to a DDRF bit enables the output buffer for the corresponding port F pin; a 0 disables the output buffer.
DDRF7–DDRF0 — Data Direction Register F Bits
Figure 13-22
Freescale Semiconductor
These read/write bits are software-programmable. Data direction of each port F pin is under the control
of the corresponding bit in data direction register F. Reset has no effect on port F data.
The PTF7/T2CH5–PTF4/T2CH2 pins are the TIM2 input capture/output compare pins. The edge/level
select bits, ELSxB:ELSxA, determine whether the PTF7/T2CH5–PTF4/T2CH2 pins are timer channel
I/O pins or general-purpose I/O pins. See
Timer Interface Module
These read/write bits control port F data direction. Reset clears DDRF7–DDRF0, configuring all port F
pins as inputs.
1 = Corresponding port F pin configured as output
0 = Corresponding port F pin configured as input
Alternate Function:
shows the port F I/O logic.
Address:
Avoid glitches on port F pins by writing to the port F data register before
changing data direction register F bits from 0 to 1.
Reset:
Read:
Write:
Address:
Reset:
Read:
Write:
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
DDRF7
$0444
Bit 7
0
T2CH5
$0440
PTF7
Bit 7
(TIM2).
Figure 13-21. Data Direction Register F (DDRF)
Figure 13-20. Port F Data Register (PTF)
DDRF6
= Unimplemented
6
0
T2CH4
PTF6
6
DDRF5
5
0
T2CH3
PTF5
Chapter 18 Timer Interface Module (TIM1)
5
NOTE
DDRF4
4
0
T2CH2
Unaffected by reset
PTF4
4
DDRF3
3
0
PTF3
3
DDRF2
2
0
PTF2
2
DDRF1
1
0
PTF1
1
DDRF0
Bit 0
0
and
PTF0
Bit 0
Chapter 19
Port F
185
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