MCHC912B32CFUE8 Freescale Semiconductor, MCHC912B32CFUE8 Datasheet - Page 36
MCHC912B32CFUE8
Manufacturer Part Number
MCHC912B32CFUE8
Description
IC MCU 32K FLASH 8MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MCHC912B32CFUE8.pdf
(334 pages)
Specifications of MCHC912B32CFUE8
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
63
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
768 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Cpu Family
HC12
Device Core Size
16b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Total Internal Ram Size
1KB
# I/os (max)
63
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Package
80PQFP
Family Name
HC12
Maximum Speed
8 MHz
Operating Supply Voltage
5 V
Data Bus Width
16 Bit
Number Of Programmable I/os
63
Processor Series
HC912B
Core
HC12
Data Ram Size
1 KB
Maximum Clock Frequency
8 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
M68EVB912B32E
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC912B32CFUE8
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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General Description
1.6.5 Port Pullup, Pulldown, and Reduced Drive
MCU ports can be configured for internal pullup. To reduce power consumption and RFI, the pin output
drivers can be configured to operate at a reduced drive level. Reduced drive causes a slight increase in
transition time depending on loading and should be used only for ports which have a light loading.
1-5
36
Port A
Port B
Port E
PE7, PE3, PE2,
PE1, PE0
Port E
PE4
Port E
PE6, PE5
Port P
Port S
PS1–PS0
Port S
PS3–PS2
Port S
PS7–PS4
Port T
Port DLC/PCAN
Port AD
BKGD
1. Port DLC applies to the MC68HC912B32 and MC68HC12BE32 and PCAN to the MC68HC(9)12BC32.
summarizes the port pullup default status and controls.
Name
Port
(1)
Table 1-5. Port Pullup, Pulldown, and Reduced Drive Summary
Input Loads
Resistive
Pulldown
Pullup
Pullup
Pullup
Pullup
Pullup
Pullup
Pullup
Pullup
Pullup
Pullup
None
None
M68HC12B Family Data Sheet, Rev. 9.1
(Address)
DLCSCR
Register
($00DB)
($00DB)
($00DB)
($00FD)
($000C)
($000C)
($000C)
($008D)
PWCTL
($0054)
PURDS
PURDS
PURDS
TMSK2
PUCR
PUCR
PUCR
—
Enabled during reset
Enable Bit
DLCPUE
PUPS0
PUPS1
PUPS2
Name
PUPB
PUPE
PUPP
PUPA
PUPT
—
—
Bit
—
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Enabled
Enabled
Reset
State
(Address)
DLCSCR
Register
($00DB)
($00DB)
($00DB)
($00FD)
($000D)
($000D)
($000D)
($000D)
PWCTL
PURDS
PURDS
PURDS
($008D)
($0054)
TMSK2
RDRIV
RDRIV
RDRIV
RDRIV
—
—
Reduced Drive Control Bit
Freescale Semiconductor
DLCRDV
RDPS0
RDPS1
RDPS2
RDPE
RDPE
Name
RDPA
RDPB
RDPP
RDPT
—
Bit
—
—
Full drive
Full drive
Full drive
Full drive
Full drive
Full drive
Full drive
Full drive
Full drive
Full drive
Full drive
Reset
State
—
Table
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