MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 380

• Manufacturer Part Number: MC68HC908AB32CFU
• Description: IC MCU 8MHZ 32K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AB32CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM
• Number Of I /o: 51
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• 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: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Specifications
23.11 SPI Characteristics
Technical Data
380
Notes:
Number
1. Numbers refer to dimensions in
2. All timing is shown with respect to 20% V
3. Time to data active from high-impedance state
4. Hold time to high-impedance state
5. With 100 pF on all SPI pins
Diagram
10
11
1
2
3
4
5
6
7
8
9
(1)
Operating frequency
Cycle time
Enable lead time
Enable lag time
Clock (SPSCK) high time
Clock (SPSCK) low time
Data setup time (inputs)
Data hold time (inputs)
Access time, slave
Disable time, slave
Data valid time, after enable edge
Data hold time, outputs, after enable edge
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
CPHA = 0
CPHA = 1
Master
Slave
Master
Slave
(5)
Characteristic
Figure 23-1
(3)
(4)
DD
and 70% V
and
(2)
Electrical Specifications
Figure
DD
23-2.
, unless noted; 100 pF load on all SPI pins.
t
Symbol
t
t
t
f
t
SCKH(M)
f
SCKH(S)
SCKL(M)
SCKL(S)
t
t
t
t
t
t
t
BUS(M)
t
Lead(S)
t
t
BUS(S)
A(CP0)
A(CP1)
cyc(M)
Lag(S)
DIS(S)
HO(M)
cyc(S)
SU(M)
t
t
HO(S)
SU(S)
t
t
H(M)
V(M)
H(S)
V(S)
f
BUS
Min
100
100
DC
15
15
50
50
45
15
—
—
—
2
1
5
0
0
0
0
5
/128
MC68HC908AB32
Freescale Semiconductor
f
BUS
Max
f
128
BUS
40
20
25
10
40
—
—
—
—
—
—
—
—
—
—
—
—
—
/2
—
Rev. 1.1
MHz
MHz
Unit
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
cyc