参数资料
型号: MB90F457PMT
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48
封装: 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数: 18/78页
文件大小: 680K
代理商: MB90F457PMT
MB90455 Series
25
Port 3 pins block diagram (general-purpose input/output port)
Port 3 registers
Port 3 registers include port 3 data register (PDR3) and port 3 direction register (DDR3).
The bits configuring the register correspond to port 3 pins on a one-to-one basis.
Relation between port 3 registers and pins
* : P35 and P36 do not exist on MB90F455/F456/F457, and MB90455/456/457.
Port name
Bits of register and corresponding pins
Port 3
PDR3, DDR3
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Corresponding pins
P37
P36*
P35*
P33
P32
P31
P30
Pch
Nch
Peripheral
function input
Peripheral
function output
Port data register (PDR)
PDR read
Output latch
PDR write
Peripheral function
output permission
Pin
Port direction register (DDR)
Direction
latch
DDR write
DDR read
Standby control (SPL=1)
Internal
data
bus
Standby control : Control among Stop mode (SPL=1), Time-base timer mode (SPL=1), and clock mode
(SPL=1).
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