MC68HC705C8ACFB Freescale Semiconductor, MC68HC705C8ACFB Datasheet - Page 189

• Manufacturer Part Number: MC68HC705C8ACFB
• Description: IC MCU 8K 4MHZ OTP 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705C8ACFB

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: OTP
• Ram Size: 304 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

MC68HC705C8A — Rev. 3
MOTOROLA
Note: This first clock edge is generated internally, but is not seen at the SCK pin.
SCK (CPOL = 0)
SCK (CPOL = 1)
Note: This last clock edge is generated internally, but is not seen at the SCK pin.
SCK (CPOL = 0)
SCK (CPOL = 1)
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
INPUT
INPUT
INPUT
MISO
MOSI
MISO
MOSI
SS
SS
10
10
NOTE
NOTE
13
SS pin of master held high.
13
SS pin of master held high.
Freescale Semiconductor, Inc.
4
5
MASTER MSB OUT
For More Information On This Product,
MASTER MSB OUT
MSB IN
Figure 13-8. SPI Master Timing
MSB IN
1
b) SPI Master Timing (CPHA = 1)
a) SPI Master Timing (CPHA = 0)
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4
5
Electrical Specifications
11
4
5
11
1
13
12
4
5
BITS 6–1
BITS 6–1
BITS 6–1
BITS 6–1
3.3-Volt Serial Peripheral Interface (SPI) Timing
12
10
12
10
12
13
13
6
MASTER LSB OUT
6
MASTER LSB OUT
LSB IN
LSB IN
Electrical Specifications
7
11
12
13
7
11
12
12
Technical Data
NOTE
NOTE
189