MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 291

• Manufacturer Part Number: MC68HC711E20CFN2
• Description: IC MCU 20K 2MHZ OTP 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC711E20CFN2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Size: 20KB (20K x 8)
• Program Memory Type: OTP
• Eeprom Size: 512 x 8
• Ram Size: 768 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

AN1060 — Rev. 1.0
MOTOROLA
MCU RECEIVE DATA (FROM HOST)
EPROM PROGRAMMING
VERIFY DATA TO HOST
(SAME AS MCU Tx DATA)
MCU TRANSMIT DATA (VERIFY)
INITIALIZE...
X = PROGRAM TIME
Y = FIRST ADDRESS
[12]
[15]
Figure 4. Host and MCU Activity during EPROM PROGRAM Utility
NO
PROGRAM Utility in MCU
READ PROGRAMMED DATA
POINT TO NEXT LOCATION
PROGRAM CONTINUES
ANY DATA RECEIVED ?
AND SEND TO VERIFY
TO BE PROGRAMMED
[8]
AS LONG AS DATA
PROGRAM BYTE
IS RECEIVED
SEND $FF
START
YES
[9]
WAIT1
[1]
[8]
$FF
$FF
INDICATES READY
TO HOST
$BF00 - PROGRAM
[3]
[10]
[2]
[13]
[11]
[9]
D1
[4]
[14]
[10]
P1
D2
[11]
[5]
[13]
[12]
P2
V1
V1
[6]
FROM MCU BEFORE SENDING DATA
HOST NORMALLY WAITS FOR $FF
[14]
[7]
FOR EPROM PROGRAMMING
YES
NO
NO
V2
D3
V2
[15]
VERIFY DATA CORRECT ?
SEND FIRST DATA BYTE
MORE DATA TO SEND ?
VERIFY DATA RECEIVED ?
[5]
MORE TO VERIFY ?
SEND NEXT DATA
[7]
P3
D4
Driver Program in HOST
START
DONE
YES
YES
YES
NO
DATA_LOOP
P4
V3
V3
[4]
NO
[3]
[6]
V4
D5
V4
INDICATE ERROR
Application Note
MC68HC711E9
EXECUTING
"PROGRAM" LOOP
HOST SENDING
DATA FOR
MCU EPROM
291