MC68HC11E0CFN3 Freescale Semiconductor, MC68HC11E0CFN3 Datasheet - Page 128

• Manufacturer Part Number: MC68HC11E0CFN3
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC11E0CFN3

• Cpu Family: HC11
• Device Core Size: 8b
• Frequency (max): 3MHz
• Interface Type: SCI/SPI
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Total Internal Ram Size: 512Byte
• # I/os (max): 38
• Number Of Timers - General Purpose: 8
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 52
• Package Type: PLCC
• Lead Free Status / Rohs Status: Not Compliant

Timing Systems
128
* SCP2 present on MC68HC(7)11E20 only
CLOCK GENERATOR
OSCILLATOR AND
(DIVIDE BY FOUR)
(÷ 2, 4, 16, 32)
PRESCALER
(÷ 1, 4, 8, 16)
PRESCALER
PRESCALER
(÷ 1, 3, 4, 13)
SPR[1:0]
SCP[1:0]
PR[1:0]
TCNT
IC/OC
E ÷ 2
E ÷ 2
13
6
Figure 9-1. Timer Clock Divider Chains
SCP2
÷39
M68HC11E Family Data Sheet, Rev. 5.1
TOF
*
CLEAR COP
÷ 4
TIMER
E÷2
(÷ 1, 2, 4,....128)
(÷1, 4, 16, 64)
PRESCALER
PRESCALER
PRESCALER
15
(÷÷ 1, 2, 4, 8)
SCR[2:0]
RTR[1:0]
CR[1:0]
S
R
FF1
Q
Q
SYSTEM
RESET
÷16
AS
E CLOCK
INTERNAL BUS CLOCK (PH2)
SPI
SCI RECEIVER CLOCK
SCI TRANSMIT CLOCK
PULSE ACCUMULATOR
REAL-TIME INTERRUPT
S
R
FF2
Q
Q
Freescale Semiconductor
FORCE
RESET
COP
E SERIES TIM DIV CHAIN