MC68HC11E1CFN2 Freescale Semiconductor, MC68HC11E1CFN2 Datasheet - Page 142

• Manufacturer Part Number: MC68HC11E1CFN2
• Description: IC MCU 512 EEPROM 2MHZ 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11E1CFN2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Type: ROMless
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Program Memory Size: -

Timing System
Data Sheet
142
* 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
Freescale Semiconductor, Inc.
Figure 9-1. Timer Clock Divider Chains
For More Information On This Product,
SCP2
÷39
TOF
*
CLEAR COP
Go to: www.freescale.com
÷ 4
TIMER
E÷2
(÷ 1, 2, 4,....128)
(÷1, 4, 16, 64)
Timing System
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
M68HC11E Family — Rev. 5
FORCE
RESET
COP
E SERIES TIM DIV CHAIN
MOTOROLA