MC908GZ32VFAER Freescale Semiconductor, MC908GZ32VFAER Datasheet - Page 182
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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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Input/Output (I/O) Ports
When bit DDRDx is a 1, reading address $0003 reads the PTDx data latch. When bit DDRDx is a 0,
reading address $0003 reads the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
13.6.3 Port D Input Pullup Enable Register
The port D input pullup enable register (PTDPUE) contains a software configurable pullup device for each
of the eight port D pins. Each bit is individually configurable and requires that the data direction register,
DDRD, bit be configured as an input. Each pullup is automatically and dynamically disabled when a port
bit’s DDRD is configured for output mode.
182
1. X = Don’t care
2. I/O pin pulled up to V
3. Writing affects data register, but does not affect input.
4. Hi-Z = High imp[edance
PTDPUE
Bit
X
1
0
Address:
DDRD
Reset:
Read:
Write:
Bit
0
0
1
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
Figure 13-16. Port D Input Pullup Enable Register (PTDPUE)
DD
PTDPUE7
READ DDRD ($0007)
WRITE DDRD ($0007)
WRITE PTD ($0003)
READ PTD ($0003)
$000F
Bit 7
by internal pullup device.
0
PTD
X
Bit
X
X
(1)
PTDPUE6
6
0
Input, Hi-Z
Input, V
Table 13-5. Port D Pin Functions
RESET
Figure 13-15. Port D I/O Circuit
I/O Pin
Output
Mode
PTDPUE5
DD
(2)
(4)
5
0
Table 13-5
PTDPUE4
Accesses to DDRD
DDRDx
PTDx
DDRD7–DDRD0
DDRD7–DDRD0
DDRD7–DDRD0
4
0
Read/Write
PTDPUE3
summarizes the operation of the port D pins.
3
0
PTDPUEx
PTDPUE2
2
0
PTD7–PTD0
Read
Pin
Pin
PTDPUE1
Accesses to PTD
1
0
V
DD
Freescale Semiconductor
INTERNAL
PULLUP
DEVICE
PTDPUE0
PTDx
Bit 0
0
PTD7–PTD0
PTD7–PTD0
PTD7–PTD0
Write
(3)
(3)
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