參數(shù)資料
型號(hào)： MB90F372PMT-G
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP144
封裝： 0.40 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 85/153頁
文件大小： 2503K
代理商： MB90F372PMT-G
MB90370 Series
37
2.
I/O Ports
(1) Outline of I/O ports
Each I/O port outputs data from the CPU to the I/O pins or inputs signals from the I/O pins to the CPU as directed
by the port data register (PDR). Each CMOS I/O port can also designate the direction of a data flow (input or
output) at the I/O pins in bit units using the port data direction register (DDR). Or N-channel open-drain port can
designate the direction of a data flow (input or output) at the I/O pins in bit units using the port data register
(PDR). The function of each port and the resources using it are described below:
Port 0
: General-purpose I/O port/resource (Key-on wake-up interrupt)
Port 1
: General-purpose I/O port
Port 2
: General-purpose I/O port
Port 3
: General-purpose I/O port/resource (A/D converter external trigger)
Port 4
: General-purpose I/O port/resource (PS/2 interface / serial IRQ controller)
Port 5
: General-purpose I/O port/resource (LPC interface)
Port 6
: General-purpose I/O port/resource (DTP / UART1)
Port 7
: General-purpose I/O port/resource (UART1 / UART2 / UART3 / PPG1)
Port 8
: General-purpose I/O port/resource (Multi-address I2C)
Port 9
: General-purpose I/O port/resource (I2C / Multi-address I2C)
Port A
: General-purpose I/O port/resource (Comparator)
Port B
: General-purpose I/O port/resource (Comparator)
Port C
: General-purpose I/O port/resource (Comparator / A/D converter)
Port D
: General-purpose I/O port/resource (A/D converter / D/A converter / PPG2 / PPG3)
Port E
: General-purpose I/O port/resource (Reload timer1 ~ 4 / LCD controller)
Port F
: General-purpose I/O port/resource (LCD controller)
(2) Register configuration
Register
Read/Write
Address
Initial value
Port 0 data register (PDR0)
R/W
000000H
XXXXXXXXB
Port 1 data register (PDR1)
R/W
000001H
XXXXXXXXB
Port 2 data register (PDR2)
R/W
000002H
XXXXXXXXB
Port 3 data register (PDR3)
R/W
000003H
XXXXXXXXB
Port 4 data register (PDR4)
R/W
000004H
X1111111B
Port 5 data register (PDR5)
R/W
000005H
XXXXXXXXB
Port 6 data register (PDR6)
R/W
000006H
XXXXXXXXB
Port 7 data register (PDR7)
R/W
000007H
XXXXXXXXB
Port 8 data register (PDR8)
R/W
000008H
-----111B
Port 9 data register (PDR9)
R/W
000009H
--111111B
Port A data register (PDRA)
R/W
00000AH
-XXXXXXXB
Port B data register (PDRB)
R/W
00000BH
XXXXXXXXB
Port C data register (PDRC)
R/W
00000CH
XXXXXXXXB
Port D data register (PDRD)
R/W
00000DH
XXXXXXXXB
Port E data register (PDRE)
R/W
00000EH
XXXXXXXXB
Port F data register (PDRF)
R/W
00000FH
XXXXXXXXB
Port 0 data direction register (DDR0)
R/W
000010H
00000000B
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