MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 284

• 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

Application Note
284
$FF CHARACTER
@ 7812 BAUD
$FF CHARACTER
@ 1200 BAUD
Rx DATA SAMPLES
Rx DATA SAMPLES
( FOR 7812 BAUD )
$BFC0
$01FF
$BFFF
$FFC0
$0000
$B600
$B7FF
$FFFF
$103F
$BF00
$D000
$1000
OTE: Software can change some aspects of the memory map after reset.
MODA = 0
MODB = 1
SINGLE
CHIP
S
S
START
[1]
[7]
[6]
0
0
Figure 1. MC68HC711E9 Composite Memory Map
MULTIPLEXED
EXTERNAL
EXTERNAL
EXTERNAL
EXPANDED
MODA = 1
MODB = 1
BIT 0
Figure 2. Automatic Detection of Baud Rate
1
0
BIT 1
1
0
START
[8]
BIT 2
1
0
BOOTSTRAP
MODA = 0
MODB = 0
SPECIAL
[5]
BIT 3
1
0
or $E0
$FF
$C0
[2]
BIT 4
1
0
[10]
EXTERNAL
EXTERNAL
EXTERNAL
MODA = 1
MODB = 0
SPECIAL
BIT 5
TEST
1
?
[9]
BIT 6
1
1
BIT 7
1
1
STOP
1
1
BIT 0
[11]
[3]
REGISTER
12K USER
512-BYTE
512-BYTE
EEPROM
64-BYTE
(or OTP)
EPROM
BLOCK
BOOT
ROM
RAM
Tx DATA LINE IDLES HIGH
(MAY BE REMAPPED
TO ANY 4K BOUNDARY)
(MAY BE REMAPPED
TO ANY 4K BOUNDARY)
(MAY BE DISABLED
BY AN EEPROM BIT)
(MAY BE DISABLED
BY AN EEPROM BIT)
[4]
AN1060 — Rev. 1.0
[12]
VECTORS
VECTORS
SPECIAL
NORMAL
MOTOROLA
$BFC0
$FFC0
MODE
MODE
$BFFF
$FFFF
BIT 1