MCHC705JJ7CPE Freescale Semiconductor, MCHC705JJ7CPE Datasheet - Page 66

• Manufacturer Part Number: MCHC705JJ7CPE
• Description: IC MCU 8BIT 224 BYTES RAM 20PDIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MCHC705JJ7CPE

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SIO
• Peripherals: POR, Temp Sensor, WDT
• Number Of I /o: 14
• Program Memory Size: 6KB (6K x 8)
• Program Memory Type: OTP
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Processor Series: HC705JJ
• Core: HC05
• Data Bus Width: 8 bit
• Data Ram Size: 224 B
• Interface Type: SIOP
• Maximum Clock Frequency: 2.1 MHz
• Number Of Programmable I/os: 14
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 4 Channel
• Package: 20PDIP
• Family Name: HC05
• Maximum Speed: 2.1 MHz
• Operating Supply Voltage: 3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Parallel Input/Output
66
1. DDRB can always be read or written.
2. Don’t care
Port B
5. If the PB7/SCK pin is to be a digital output, then the SPE bit in the SCR must be cleared and the
PB5
PB6
PB7
Pin
DDRB7 bit must be set. The pulldown device will be disabled when the pin is set as an output.
SPE
0
1
0
1
0
1
SIOP
MSTR
X
X
X
X
X
MC68HC705JJ7 • MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
0
1
(2)
(2)
(2)
(2)
(2)
in MOR
SWPDI
Control Bits
X
X
X
X
X
X
X
Table 7-3. Port B Pin Functions — PB5–PB7
0
0
1
0
0
1
(2))
0
0
1
(2)
(2)
(2)
(2)
(2)
(2)
PDIBx
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
Port B
DDRBx
0
0
0
1
0
1
0
0
0
1
0
1
0
0
0
1
0
1
0
1
(1)
Read
SDO
Data
Data
Data
Data
Data
SCK
Data
SCK
Data
SDI
PORTB Access
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
(Pin or Data
Register)
Write
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Pulldown
Freescale Semiconductor
On
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
Off
Off
Off
Port B Pins
Result on
SDO out
SDO out
SCK out
SCK out
PB5 out
PB6 out
PB7 out
SCK in
SCK in
PB5 in
PB5 in
PB5 in
PB6 in
PB6 in
PB6 in
PB7 in
PB7 in
PB7 in
SDI in
SDI in
Pin