MC912DG128A Motorola, MC912DG128A Datasheet - Page 162

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

Clock Functions
MC68HC912DT128A Rev 2.0
162
MCLK
TEN
PORT T7
2
2
2
2
2
2
2
REGISTER: TMSK2
BITS: PR2, PR1, PR0
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
1:1:0
1:1:1
PAEN
Figure 20 Clock Chain for ECT
LOGIC
Prescaled MCLK
GATE
PAMOD
Clock Functions
MCEN
PACLK
PULSE ACC
LOW BYTE
4
2
2
REGISTER: MCCTL
BITS: MCPR1, MCPR0
0:0
0:1
1:0
1:1
PULSE ACC
HIGH BYTE
PACLK/256
PACLK/65536
(PAOV)
REGISTER: PACTL
BITS: PAEN, CLK1, CLK0
MODULUS
COUNTER
DOWN
0:x:x
1:0:0
1:0:1
1:1:0
1:1:1
COUNTER
TO TIMER
(TCNT)
MAIN
MOTOROLA
28-clock