C8051F310 Datasheet, PDF (37/224 Pages) List of Unclassifed Manufacturers – 8/16 kB ISP Flash MCU Family

C8051F310/1/2/3/4/5/6/7
4. Pinout and Package Definitions
Table 4.1. Pin Definitions for the C8051F31x
Name
V_DD
GND
RST/
Pin Numbers
‘F310/2/4 ‘F311/3/5 ‘F316/7
4
4
4
3
3
3
5
5
5
Type
D I/O
Description
Power Supply Voltage.
Ground.
Device Reset. Open-drain output of internal POR. An
external source can initiate a system reset by driving
this pin low for at least 10 µs.
C2CK
P3.0/
6
C2D
P0.0/
2
VREF
P0.1
1
P0.2/
32
XTAL1
P0.3/
D I/O Clock signal for the C2 Debug Interface.
D I/O Port 3.0. See Section 13 for a complete description.
6
6
D I/O Bi-directional data signal for the C2 Debug Interface.
D I/O Port 0.0. See Section 13 for a complete description.
2
2
A In External VREF input. (‘F310/1/2/3 only)
1
1
D I/O Port 0.1. See Section 13 for a complete description.
D I/O Port 0.2. See Section 13 for a complete description.
28
24
External Clock Input. This pin is the external oscillator
A In return for a crystal or resonator.
D I/O Port 0.3. See Section 13 for a complete description.
31
XTAL2
P0.4
30
P0.5
29
P0.6/
28
CNVSTR
P0.7
27
P1.0
26
P1.1
25
P1.2
24
P1.3
23
P1.4
22
27
23
External Clock Output. For an external crystal or reso-
A Out or nator, this pin is the excitation driver. This pin is the
D In external clock input for CMOS, capacitor, or RC oscil-
lator configurations.
26
22 D I/O Port 0.4. See Section 13 for a complete description.
25
21 D I/O Port 0.5. See Section 13 for a complete description.
24
20
Port 0.6. See Section 13 for a complete description.
ADC0 External Convert Start Input. (‘F310/1/2/3 only)
23
19 D I/O Port 0.7. See Section 13 for a complete description.
22
18
D I/O or
A In
Port 1.0. See Section 13 for a complete description.
21
17
D I/O or
A In
Port 1.1. See Section 13 for a complete description.
20
16
D I/O or
A In
Port 1.2. See Section 13 for a complete description.
19
15
D I/O or
A In
Port 1.3. See Section 13 for a complete description.
18
14
D I/O or
A In
Port 1.4. See Section 13 for a complete description.
Rev. 1.6
37