參數(shù)資料
型號(hào)： MB90246APFV
元件分類： 微控制器/微處理器
英文描述： 16-BIT, 16 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁數(shù)： 79/100頁
文件大?。?/td> 1959K
代理商： MB90246APFV
8
MB90246A Series
Pin no.
Pin name
Circuit
type
Function
LQFP*
76
P55
E
This is a general-purpose I/O port.
This function becomes valid when WRL/WR pin output is disabled.
WR
This is a write strobe output pin for the lower 8-bit of data bus.
This function becomes valid when WRL/WR pin output is enabled.
WRL is used for holding the lower 8-bit for write strobe in 16-bit
access operations, while WR is used for holding 8-bit data for write
strobe in 8-bit access operations.
WRL
77
P56
E
This pin cannot be used as a general-purpose port.
RD
This is a read strobe output pin for the data bus.
This function is valid in the mode where the external bus is valid.
78,28,27
P57,P73,P72
E
This is a general-purpose I/O port.
36 to 39,
41 to 44
P60 to P63,
P64 to P67
G
This is an I/O port of an N-ch open-drain type.
When the data register is read by a read instruction other than the
modify write instruction with the corresponding bit in ADER set at
“0”, the pin level is acquired. The value set in the data register is
output to the pin as is.
AN0 to AN3,
AN4 to AN7
This is an analog input pin of the 8/10-bit A/D converter.
When using this input pin, set the corresponding bit in ADER at “1”.
Also, set the corresponding bit in the data register at “1”.
25
P70
E
This is a general-purpose I/O port.
ASR0
This is a data input pin for input capture 0.
Because this input is used as required when the input capture 0 is
performing input operations, and it is necessary to stop outputs
from other functions unless such outputs are made intentionally.
26
P71
E
This is a general-purpose I/O port.
ASR1
This is a data input pin of input capture 1.
Because this input is used as required when input capture 1 is
performing input operations, and it is necessary to stop outputs by
other functions unless such outputs are made intentionally.
29 to 31
P74 to P76
E
This is a general-purpose I/O port.
This function becomes valid when outputs from 16-bit re-load timer
0 – 2 are disabled.
TIN0 to TIN 2
This is an input pin of 16-bit timer.
Because this input is used as required whin 16-bit timer 0 - 2 is
performing input operations,and it is necessary to stop outputs by
other functions unless such outputs are made intentionally.
TOT0 to TOT2
These are output pins for 16-bit re-load timer 0 and 1.
This function becomes valid when output from 16-bit re-load timer
0 – 2 are enabled.
51 to 53
P82 to P84
H
This is a general-purpose I/O port.
This function becomes valid when data output from 8-bit D/A
converter 0 – 2 are disabled.
DAO0 to DAO2
This is an output pin of 8-bit D/A converter.
This function becomes valid when data output from 8-bit D/A
converter 0 – 2 are enabled.
* : FPT-100P-M05
(Continued)
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