MC68HC11E1CFNE3 Freescale Semiconductor, MC68HC11E1CFNE3 Datasheet - Page 164

• Manufacturer Part Number: MC68HC11E1CFNE3
• Description: IC MCU 8BIT 3MHZ 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11E1CFNE3

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 3MHz
• 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
• Controller Family/series: 68HC11
• No. Of I/o's: 38
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 3MHz
• No. Of Timers: 1
• Embedded Interface Type: SCI, SPI
• Rohs Compliant: Yes
• Processor Series: HC11E
• Core: HC11
• Data Bus Width: 8 bit
• Program Memory Size: 512 B
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 8
• Operating Supply Voltage: 3 V to 5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

164
Electrical Characteristics
STRB (OUT)
STRB (OUT)
PORT B
PORT B
PORT C (IN)
Notes:
NOTES:
STRB (0UT)
STRB (OUT)
PORT C (IN)
STRA (IN)
1. After reading PIOC with STAF set
2. Figure shows rising edge STRA (EGA = 1) and high true STRB (INVB = 1).
STRA (IN)
1. After reading PIOC with STAF set
2. Figure shows rising edge STRA (EGA = 1) and high true STRB (INVB = 1).
E
E
E
E
Figure 10-11. Port C Input Handshake Timing Diagram
Figure 10-10. Simple Output Strobe Timing Diagram
Figure 10-9. Simple Input Strobe Timing Diagram
t
t
IS
IS
PREVIOUS PORT DATA
PREVIOUS PORT DATA
“READY”
Figure 10-8. Port Write Timing Diagram
"READY"
t
t
t
t
AES
IH
AES
IH
M68HC11E Family Data Sheet, Rev. 5.1
MCU WRITE TO PORT B
MCU WRITE TO PORT B
t
t
DEB
DEB
t
t
PWD
PWD
READ PORTCL
READ PORTCL
1
(1)
NEW DATA VALID
t
NEW DATA VALID
t
DEB
DEB
t
t
DEB
DEB
Freescale Semiconductor
PORT C INPUT HNDSHK TIM