MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 122

• Manufacturer Part Number: MC68HC912B32VFU8
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC912B32VFU8

• Cpu Family: HC12
• Device Core Size: 16b
• Frequency (max): 8MHz
• Interface Type: SCI/SPI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• 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 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

Clock Generation Module (CGM)
122
PORT T7
TEN
PORT T7
MCLK
P CLOCK
÷
÷
÷
÷
÷
÷
÷
2
2
2
2
2
2
2
PAEN
PAEN
÷
÷
÷
÷
÷
÷
2
2
2
2
2
2
0:1:0
1:1:0
BITS: PR2, PR1, AND PR0
0:0:1
0:1:1
1:0:0
1:0:1
1:1:1
REGISTER: TMSK2
0:0:0
TEN
0:0:0
0:0:1
0:1:0
0:1:1
1:0:0
1:0:1
REGISTER: TMSK2
BITS: PR2, PR1, AND PR0
LOGIC
GATE
LOGIC
GATE
Figure 10-12. Clock Chain for ECT
Figure 10-11. Clock Chain for TIM
M68HC12B Family Data Sheet, Rev. 9.1
PAMOD
PAMOD
PACLK
MCEN
LOW BYTE
PACLK
PULSE
ACC
÷
÷
÷
4
2
2
PULSE ACC
LOW BYTE
HIGH BYTE
BITS: MCPR1 AND MCPR0
REGISTER: MCCTL
0:0
0:1
1:0
1:1
PULSE
ACC
PACLK/256
PULSE ACC
HIGH BYTE
PACLK/65536
(PAOV)
PACLK/256
PACLK/65536
(PAOV)
MODULUS
REGISTER: PACTL
BITS: PAEN, CLK1, AND CLK0
DOWN
REGISTER: PACTL
BITS: PAEN, CLK1, AND CLK0
0:x:x
1:0:0
1:0:1
1:1:0
1:1:1
1:0:1
1:1:1
0:x:x
1:0:0
1:1:0
Freescale Semiconductor
COUNTER
TO TIMER
MAIN
COUNTER
TO TIM