![](http://datasheet.mmic.net.cn/330000/MB90M407APF_datasheet_16438116/MB90M407APF_8.png)
MB90M405 Series
8
(Continued)
Pin No.
Pin Name
Cir-
cuit
Type
State/
Function at
Reset
Description
QFP-100
76
PB4
F
Analog input
I/O port
AN12
Ch 12 of A/D converter analog input pin
Effective when analog input setting enabled (set with ADER)
SC2
Serial clock I/O pin for serial I/O ch 2
Effective when serial clock output for serial I/O ch 2 enabled
TIN0
External clock input pin of reload timer ch 0
Effective when external clock input enabled (ADER is priori-
tized)
78
PB5
I/O port
AN13
Ch 13 of A/D converter analog input pin
Effective when analog input setting enabled (set with ADER)
SO2
Serial data output pin for serial I/O ch 2
Effective when serial data output for serial I/O ch 2 enabled
TO0
External event output pin of reload timer ch 0
Effective when external event output enabled (ADER is pri-
oritized)
79, 80
PB6, PB7
I/O port
AN14, AN15
Ch 14 and ch 15 of A/D converter analog input pin
Effective when analog input setting enabled (set with ADER)
INT2, INT3
External interrupt input ch 2 and ch 3 are external factor input
pins
Accepted when bits EN2 and EN3 set to enabled
62
AV
CC
H
Power input
Vcc power input pin of analog macro
63
AV
SS
Vss power input pin of analog macro
48
V
KK
Power pin of pull-down side during high voltage resistant out-
put
49
MD0
B
Mode pins
Input pin for specifying operating mode. Connect to V
CC
.
Additionally, when flash boot program is being used, be sure
to switch to V
SS
.
50
MD1
Input pin for specifying operating mode. Connect to V
CC
.
51
MD2
Input pin for specifying operating mode. Connect to V
SS
.
Additionally, when flash boot program is being used, be sure
to switch to V
CC
.
11, 42
V
SS
IO
V
DD
FIP
V
SS
CPU
V
CC
CPU
Power input
I/O power (0 V : GND) input pin
23
FIP power (3 V : V
CC
) input pin
81
Control circuit power (0 V : GND) input pin
84
Control circuit power (3 V : V
CC
) input pin