MB90920 Series
DS07-13750-3E
11
(Continued)
*1 : For I/O circuit type, refer to “
■ I/O CIRCUIT TYPES”.
*2 : The I/O circuit type is D for Flash memory products and E for evaluation products.
Pin no.
Pin name
I/O circuit
type*1
Function
26
PD2
I
General-purpose I/O port
SCK2
UART ch.2 serial clock I/O pin
27
PD3
J
General-purpose I/O port
SIN3
UART ch.3 serial data input pin
28
PD4
I
General-purpose I/O port
SOT3
UART ch.3 serial data output pin
29
PD5
I
General-purpose I/O port
SCK3
UART ch.3 serial clock I/O pin
30
PD6
I
General-purpose I/O port
TOT2
16-bit reload timer ch.2 TOT output pin
56
PE0
I
General-purpose I/O port
TOT3
16-bit reload timer ch.3 TOT output pin
57
PE1
I
General-purpose I/O port
TIN3
16-bit reload timer ch.3 TIN input pin
64
PE2
I
General-purpose I/O port
SGO1
Sound generator ch.1 SGO output pin
62
RSTO
N
Internal reset signal output pin
65, 75, 85
DVCC
Power supply input pins dedicated for high current output buffer
66, 76, 86
DVSS
Power supply GND pins dedicated for high current output buffer
35
AVCC
A/D converter dedicated power supply input pin
38
AVSS
A/D converter dedicated power supply GND pin
36
AVRH
A/D converter Vref+ input pin. Vref- is fixed to AVSS.
89
MD0
D
Mode setting input pin. Connect to VCC pin.
88
MD1
D
Mode setting input pin. Connect to VCC pin.
87
MD2
D/E*2
Mode setting input pin. Connect to VSS pin.
17
C
External capacitor pin.
Connect a 0.1
F capacitor between this pin and the VSS pin.
15, 105
VCC
Power supply input pins
16, 47, 106
VSS
GND power supply pins