MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 313

• 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

19.10 ATD AC Operating Characteristics (Operating)
19.11 EEPROM Characteristics
Freescale Semiconductor
MCU clock frequency (p-clock)
ATD operating clock frequency
ATD 8-bit conversion period
ATD 10-bit conversion period
Stop and ATD power-up recovery time
Minimum programming clock frequency
Programming time
Clock recovery time, following STOP, to continue programming
Erase time
Write/erase endurance
Data retention
1. V
2. The minimum time assumes a final sample period of 2 ATD clock cycles while the maximum time assumes a final sample
3. This assumes an ATD clock frequency of 2.0 MHz.
4. From the time ADPU is asserted until the time an ATD conversion can begin
1. V
2. RC oscillator must be enabled if programming is desired and f
ATD clock cycles
ATD conversion time
ATD clock cycles
ATD conversion time
V
DDA
period of 16 ATD clocks.
DD
DD
= 5.0 V
= 5.0 Vdc ± 10%, V
= 5.0 Vdc ± 10%, V
(2)
(2)
(3)
(3)
Characteristic
SS
SS
Characteristic
= 0 Vdc, T
= 0 Vdc, T
(4)
(2)
(1)
A
A
M68HC12B Family Data Sheet, Rev. 9.1
= T
= T
(1)
L
L
to T
to T
H
H
, ATD clock = 2 MHz, unless otherwise noted
, unless otherwise noted
SYS
< f
Symbol
t
CRSTOP
t
f
t
ERASE
PROG
PROG
PROG
—
—
ATD AC Operating Characteristics (Operating)
.
n
Symbol
t
f
n
t
CONV10
ATDCLK
CONV10
f
CONV8
CONV8
PCLK
t
SR
10,000
10.0
10.0
Min
1.0
10
—
10.0
Min
Typ
2.0
0.5
18
20
—
—
—
—
—
—
—
9
t
PROG
Max
Max
10.5
10.5
8.0
2.0
32
16
34
17
10
—
—
—
+ 1
Cycles
Cycles
Cycles
Years
Unit
MHz
MHz
MHz
Unit
ms
ms
ms
µs
µs
µs
313