MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 220

• 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

Analog-to-Digital (A/D) Converter
10.11 A/D Converter Result Registers
Technical Data
220
Register name: Analog-to-Digital Converter Result Register 1
Register name: Analog-to-Digital Converter Result Register 2
Register name: Analog-to-Digital Converter Result Register 3
Register name: Analog-to-Digital Converter Result Register 4
These read-only registers hold an 8-bit conversion result. Writes to these
registers have no effect. Data in the A/D converter result registers is valid
when the CCF flag in the ADCTL register is set, indicating a conversion
sequence is complete. If conversion results are needed sooner, refer to
Figure
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
10-3, which shows the A/D conversion sequence diagram.
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Analog-to-Digital (A/D) Converter
Figure 10-6. Analog-to-Digital Converter
= Unimplemented
Bit 6
Bit 6
Bit 6
Bit 6
6
6
6
6
Result Registers (ADR1–ADR4)
Bit 5
Bit 5
Bit 5
Bit 5
5
5
5
5
Indeterminate after reset
Indeterminate after reset
Indeterminate after reset
Indeterminate after reset
Bit 4
Bit 4
Bit 4
Bit 4
4
4
4
4
Bit 3
Bit 3
Bit 3
Bit 3
3
3
3
3
Address: $1031
Address: $1032
Address: $1033
Address: $1034
M68HC11E Family — Rev. 3.2
Bit 2
Bit 2
Bit 2
Bit 2
2
2
2
2
Bit 1
Bit 1
Bit 1
Bit 1
1
1
1
1
MOTOROLA
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0