MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 284
MC68HC912B32VFU8
Manufacturer Part Number
MC68HC912B32VFU8
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC912B32VFU8.pdf
(334 pages)
Specifications of MC68HC912B32VFU8
Cpu Family
HC12
Device Core Size
16b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Program Memory Type
EPROM
Program Memory Size
32KB
Total Internal Ram Size
1KB
# I/os (max)
63
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC912B32VFU8
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Analog-to-Digital Converter (ATD)
17.3.7 ATD Status Registers
Read: Normally anytime
Write: In special mode, the SCF bit and the CCF bits may also be written.
The ATD status registers contain the flags indicating the completion of ATD conversions.
SCF — Sequence Complete Flag
284
This bit is set at the end of the conversion sequence when in the single conversion sequence mode
(SCAN = 0 in ATDCTL5) and is set at the end of the first conversion sequence when in the continuous
conversion mode (SCAN = 1 in ATDCTL5). When AFFC = 0, SCF is cleared when a write is performed
to ATDCTL5 to initiate a new conversion sequence. When AFFC = 1, SCF is cleared after the first
result register is read.
Table 17-4. Multichannel Mode Result Register Assignment (Continued) (Continued)
S8CM
Address: $0066
Address: $0067
Shaded bits are “don’t care” if MULT = 1 and the entire block of four or eight channels makes
Reset:
Reset:
1
Read:
Read:
Write:
Write:
up a conversion sequence. When MULT = 0, all four bits (CD, CC, CB, and CA) must be
specified and a conversion sequence consists of four or eight consecutive conversions of
the single specified channel.
CD
1
CCF7
Bit 7
SCF
Bit 7
0
0
Figure 17-9. ATD Status Register (ATDSTAT)
CC
0
0
0
0
1
1
1
1
= Unimplemented
CCF6
6
0
0
6
0
M68HC12B Family Data Sheet, Rev. 9.1
CB
0
0
1
1
0
0
1
1
CCF5
CA
0
1
0
1
0
1
0
1
5
0
0
5
0
Figure 17-8
CCF4
4
0
0
4
0
Channel Signal
(V
Test/reserved
Reserved
Reserved
Reserved
Reserved
RH
V
V
+ V
CCF3
RH
RL
3
0
0
3
0
RL
)/2
CCF2
CC2
2
0
2
0
Result in ADRx
CCF1
if MULT = 1
CC1
1
0
1
0
ADR0
ADR1
ADR2
ADR3
ADR4
ADR5
ADR6
ADR7
Freescale Semiconductor
CCF0
Bit 0
CC0
Bit 0
0
0
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