XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 77
XC912BC32CFU8
Manufacturer Part Number
XC912BC32CFU8
Description
M68HC12B Family Data Sheet
Manufacturer
Motorola Semiconductor Products
Datasheet
1.XC912BC32CFU8.pdf
(362 pages)
- Current page: 77 of 362
- Download datasheet (5Mb)
5.1 Introduction
5.2 Operating Modes
M68HC12B Family — Rev. 8.0
MOTOROLA
Data Sheet — M68HC12B Family
The MCU can operate in eight different modes. Each mode has a different default
memory map and external bus configuration. After reset, most system resources
can be mapped to other addresses by writing to the appropriate control registers.
The states of the BKGD, MODB, and MODA pins during reset determine the
operating mode after reset.
The SMODN, MODB, and MODA bits in the MODE register show current operating
mode and provide limited mode switching during operation. The states of the
BKGD, MODB, and MODA pins are latched into these bits on the rising edge of the
reset signal. During reset an active pullup is connected to the BKGD pin (as input)
and active pulldowns are connected to the MODB and MODA pins. If an open
occurs on any of these pins, the device will operate in normal single-chip mode.
BKGD
0
0
0
0
1
1
1
1
Section 5. Operating Modes and Resource Mapping
MODB
0
0
1
1
0
0
1
1
Operating Modes and Resource Mapping
MODA
0
1
0
1
0
1
0
1
Table 5-1. Mode Selection
Special expanded narrow
Normal expanded narrow
Special expanded wide
Normal expanded wide
(forced to peripheral)
Special single chip
Normal single chip
Special peripheral
Reserved
Mode
purpose I/O
ADDR[15:8]
purpose I/O
ADDR[15:8]
DATA[7:0]
DATA[7:0]
General-
General-
Port A
ADDR
ADDR
ADDR
DATA
DATA
DATA
—
purpose I/O
purpose I/O
ADDR[7:0]
ADDR[7:0]
General-
General-
Data Sheet
Port B
ADDR
ADDR
ADDR
DATA
DATA
DATA
—
77
Related parts for XC912BC32CFU8
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Triacs
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Triacs
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
6367254 Motorola SC (xstrs/r F)
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
50 Amperes NPN Silicon Power Darlington Transistor 850 Volts 250 Watts
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
DUAL GATE Mosfet VHF Amplifier
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
DUAL GATE Mosfet VHF Amplifier
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
NPN Darlington Silicon Power Transistor 10 Amperes 80 Volts 20 Watts
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Integrated Circuits
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Low Skew CMOS Clock Driver
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Low Skew CMOS Clock Driver With Reset
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Low-cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Fast Recovery Power Rectifiers
Manufacturer:
Motorola Semiconductor Products
Datasheet:
Part Number:
Description:
Fast Recovery Power Rectifiers
Manufacturer:
Motorola Semiconductor Products
Datasheet: