MC68HC811E2FN Freescale Semiconductor, MC68HC811E2FN Datasheet - Page 164

• Manufacturer Part Number: MC68HC811E2FN
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC811E2FN

• Cpu Family: HC11
• Device Core Size: 8b
• Frequency (max): 4MHz
• Interface Type: SCI/SPI
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Total Internal Ram Size: 256Byte
• # 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: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Package Type: PLCC
• Lead Free Status / Rohs Status: Supplier Unconfirmed

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