XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 7
XC912BC32CFU8
Manufacturer Part Number
XC912BC32CFU8
Description
M68HC12B Family Data Sheet
Manufacturer
Motorola Semiconductor Products
Datasheet
1.XC912BC32CFU8.pdf
(362 pages)
- Current page: 7 of 362
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M68HC12B Family — Rev. 8.0
MOTOROLA
Data Sheet — M68HC12B Family
1.1
1.2
1.3
1.4
1.5
1.6
1.6.1
1.6.2
1.6.2.1
1.6.2.2
1.6.2.3
1.6.2.4
1.6.2.5
1.6.3
1.6.3.1
1.6.3.2
1.6.3.3
1.6.3.4
1.6.3.5
1.6.3.6
1.6.3.7
1.6.3.8
1.6.3.9
1.6.3.10
1.6.3.11
1.6.3.12
1.6.4
1.6.4.1
1.6.4.2
1.6.4.3
1.6.4.4
1.6.4.5
1.6.4.6
1.6.4.7
1.6.4.8
1.6.4.9
1.6.5
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Slow-Mode Clock Divider Advisory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Pinout and Signal Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Power Supply Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Signal Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Port Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Port Pullup, Pulldown, and Reduced Drive. . . . . . . . . . . . . . . . . . . . 37
IRQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
XIRQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
V
V
V
V
V
XTAL and EXTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
ECLK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
SMODN, MODA, and MODB . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
BKGD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
ADDR15–ADDR0 and DATA15–DATA0. . . . . . . . . . . . . . . . . . . . 31
R/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
LSTRB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
IPIPE1 and IPIPE0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
DBE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Port E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Port DLC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Port CAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Port AD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Port P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Port T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Port S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
DD
DDX
DDA
RH
FP
(MC68HC912B32 and MC68HC912BC32 only) . . . . . . . . . . 27
and V
and V
and V
and V
Table of Contents
Section 1. General Description
SS
RL
SSX
SSA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table of Contents
Data Sheet
7
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