MC812A4CPVE8 Freescale Semiconductor, MC812A4CPVE8 Datasheet - Page 234

• Manufacturer Part Number: MC812A4CPVE8
• Description: IC MCU 16BIT EEPROM 4K 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC812A4CPVE8

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 83
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: EEPROM
• Ram Size: 1K 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: 112-LQFP
• Processor Series: HC812A
• Core: HC12
• Data Bus Width: 16 bit
• Data Ram Size: 1 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 91
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Controller Family/series: 68HC12
• No. Of I/o's: 91
• Eeprom Memory Size: 4KB
• Ram Memory Size: 1KB
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Electrical Characteristics
18.14 SPI Timing
234
Num
1. V
2. All ac timing is shown with respect to 20% V
10
11
12
13
1
2
3
4
5
6
7
8
9
DD
= 5.0 Vdc ± 10%, V
Operating frequency
Master
Slave
SCK period
Master
Slave
Enable lead time
Master
Slave
Enable lag time
Master
Slave
Clock (SCK) high or low time
Master
Slave
Sequential transfer delay
Master
Slave
Data setup time (inputs)
Master
Slave
Data hold time (inputs)
Master
Slave
Slave access time
Slave MISO disable time
Data valid (after SCK edge)
Master
Slave
Data hold time (outputs)
Master
Slave
Rise time
Input
Output
Fall time
Input
Output
SS
Function
= 0 Vdc, T
(1), (2)
A
= T
MC68HC812A4 Data Sheet, Rev. 7
L
to T
DD
and 70% V
H
, 200 pF load on all SPI pins
DD
levels, unless otherwise noted.
Symbol
t
t
t
t
Lead
wsck
t
f
Lag
t
t
t
t
t
sck
t
t
dis
t
t
t
op
su
ho
td
ro
hi
fo
a
ri
v
fi
t
t
cyc
cyc
Min
1/2
1/2
1/2
30
30
30
dc
dc
—
—
—
—
—
—
—
—
2
2
1
1
1
0
0
0
− 60
− 30
t
t
128 t
cyc
cyc
Freescale Semiconductor
Max
256
1/2
1/2
50
50
30
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
− 30
− 30
cyc
frequency
E-clock
Unit
t
t
t
t
t
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
sck
cyc
sck
cyc
sck
cyc
cyc
cyc