MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 286

• Manufacturer Part Number: MC68HC912B32CFU8
• Description: IC MCU 32K FLASH 8MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC68HC912B32CFU8

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 63
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 768 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Analog-to-Digital Converter (ATD)
17.3.9 Port AD Data Input Register
Read: Anytime
Write: Has no meaning or effect
PAD7–PAD0 — Port AD Data Input Bits
17.3.10 ATD Result Registers
286
After reset, these bits reflect the state of the input pins.
PAD7–PAD0 may be used for general-purpose digital input. When the software reads PORTAD, it
obtains the digital levels that appear on the corresponding port AD pins. Pins with signals not meeting
V
IL
or V
IH
ADRx0H:
ADRx1H:
ADRx2H:
ADRx3H:
ADRx4H:
ADRx5H:
ADRx6H:
ADRx7H:
specifications will have an indeterminate value.
ADRx0L:
ADRx1L:
ADRx2L:
ADRx3L:
ADRx4L:
ADRx5L:
ADRx6L:
ADRx7L:
Address: $006F
Reset:
Reset:
Read:
Read:
Write:
Write:
Reset:
Read:
Write:
$0070
$0072
$0074
$0076
$0078
$007A
$007C
$007E
$0071
$0073
$0075
$0077
$0079
$007B
$007D
$007F
Bit 15
Bit 7
Bit 7
Bit 7
PAD7
Bit 7
Figure 17-12. Port AD Data Input Register (PORTAD)
= Unimplemented
Figure 17-13. ATD Result Registers High
= Unimplemented
= Unimplemented
Figure 17-14. ATD Result Registers Low
Bit 14
PAD6
Bit 6
6
6
6
M68HC12B Family Data Sheet, Rev. 9.1
Bit 13
PAD5
Bit 5
After reset, reflect the state of the inputs pins
5
5
5
Bit 12
PAD4
Bit 4
4
4
4
Undefined
Undefined
PAD3
Bit 11
Bit 3
3
3
3
PAD2
Bit 10
Bit 2
2
2
2
PAD1
Bit 9
Bit 1
1
1
1
Freescale Semiconductor
PAD0
Bit 0
Bit 0
Bit 8
Bit 0
Bit 0