SN8P1700
8-bit micro-controller build-in 12-bit ADC
PIN DESCRIPTIONS
PIN NAME
VDD, VSS
AVDD, AVSS
VPP/VDD
RST
TYPE
DESCRIPTION
Power supply input pins for digital circuit.
Power supply input pins for analog circuit.
OTP ROM programming pin. Connect to VDD in normal operation.
System reset input pin. Schmitt trigger structure, active “low”, normal stay to “high”.
P
P
P
I
XIN, XOUT
P0.0 / INT0
P0.1 / INT1
P0.2 / INT2
P1.0 ~ P1.5
P2.0 ~ P2.7
P4.0 ~ P4.7
P5.0 / SCK
P5.1 / SI
I, O External oscillator pins. RC mode from XIN.
I
I
I
Port 0.0 and shared with INT0 trigger pin (Schmitt trigger) / Built-in pull-up resisters.
Port 0.1 and shared with INT1 trigger pin (Schmitt trigger) / Built-in pull-up resisters.
Port 0.2 and shared with INT2 trigger pin (Schmitt trigger) / Built-in pull-up resisters.
I/O Port 1.0~Port 1.5 bi-direction pins / Built-in pull-up resisters.
I/O Port 2.0~Port 2.7 bi-direction pins / Built-in pull-up resisters.
I/O Port 4.0~Port 4.7 bi-direction pins / Built-in pull-up resisters.
I/O Port 5.0 bi-direction pin and SIO’s clock input/output / Built-in pull-up resisters.
I/O Port 5.1 bi-direction pin and SIO’s data input / Built-in pull-up resisters.
I/O Port 5.2 bi-direction pin and SIO’s data output / Built-in pull-up resisters.
P5.2 / SO
Port 5.3 bi-direction pin, TC1 ÷ 2 signal output pin for buzzer or PWM1 output pin.
Built-in pull-up resisters.
Port 5.4 bi-direction pin, TC0 ÷ 2 signal output pin for buzzer or PWM0 output pin.
Built-in pull-up resisters.
P5.3 / BZ1 / PWM1
P5.4 / BZ0 / PWM0
I/O
I/O
P5.5 ~ P5.7
AVREFH
AIN0 ~ AIN7
DAO
I/O Port 5.5~Port 5.7 bi-direction pins / Built-in pull-up resisters.
I
I
A/D converter high analog reference voltage.
Analog signal input pins for ADC converter.
5-bit DAC signal output pin.
O
Table 1-4. SN8P1700 Pin Description
PIN CIRCUIT DIAGRAMS
Port1, 2, 4, 5 structure
Port0 structure
PUR
PUR
PnM
PnM
Pin
Latch
Int. bus
Pin
Int. bus
PnM
Figure 1-2. Pin Circuit Diagram
ꢂ
Note: All of the latch output circuits are push-pull structures.
SONiX TECHNOLOGY CO., LTD
Page 22
Revision 1.94
SONIX [ SONIX TECHNOLOGY COMPANY ]
