MC912DG128A Motorola, MC912DG128A Datasheet - Page 278

• Manufacturer Part Number: MC912DG128A
• Description: Microcontrollers
• Manufacturer: Motorola

MSCAN Controller
MC68HC912DT128A Rev 2.0
278
The identifier acceptance registers (CIDAR0–7) define the acceptable
patterns of the standard or extended identifier (ID10–ID0 or ID28–ID0).
Any of these bits can be marked don’t care in the identifier mask
registers (CIDMR0–7).
A filter hit is indicated to the application software by a set RXF (receive
buffer full flag, see
ID accepted (Filter 0 hit)
ID accepted (Filter 1 hit)
ID accepted (Filter 2 hit)
ID28
ID10
AM7
AC7
AM7
AC7
AM7
AC7
AM7
AC7
CIDMRO
CIDARO
CIDMR1
CIDMR2
CIDMR3
CIDAR1
CIDAR2
CIDAR3
IDR0
IDR0
Figure 45 8-bit Maskable Acceptance Filters
ID21 ID20
AM0
AM0
AM0
AM0
MSCAN Controller
AC0
AC0
AC0
AC0
ID3 ID2
msCAN12 Receiver Flag Register
IDR1
IDR1
IDE
ID15
ID14
IDR2
ID7
(CRFLG)) and
ID6
IDR3
MOTOROLA
10-mscan12
RTR