參數(shù)資料
型號： UPD780308GF(A)-XXX-3BA
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, PLASTIC, QFP-100
文件頁數(shù)： 49/64頁
文件大小： 2786K
代理商： UPD780308GF(A)-XXX-3BA
51
CHAPTER 3
PIN FUNCTION (
PD780308 SUBSERIES)
User’s Manual U11377EJ3V0UD
3.2.6 P80 to P87 (Port 8)
These are 8-bit I/O ports. Besides serving as I/O ports, they function as segment signal output of LCD controller/
driver.
The following operating modes can be specified in 1-bit units.
(1) Port mode
These ports function as 8-bit I/O ports. They can be specified as input or output ports in 1-bit units with port
mode register 8 (PM8). When they are used as input ports, internal pull-up resistors can be used by defining
pull-up resistor option register H (PUOH).
(2) Control mode
These ports function as segment signal output pins (S32 to S39) of LCD controller/driver.
3.2.7 P90 to P97 (Port 9)
These are 8-bit I/O ports. Besides serving as I/O ports, they function as segment signal output of LCD controller/
driver.
The following operating modes can be specified in 1-bit units.
(1) Port mode
These ports function as 8-bit I/O ports. They can be specified as input or output ports in 1-bit units with port
mode register 9 (PM9). When they are used as input ports, internal pull-up resistors can be used by defining
pull-up resistor option register H (PUOH).
(2) Control mode
These ports function as segment signal output pins (S24 to S31) of LCD controller/driver.
3.2.8 P100 to P103 (Port 10)
These are 4-bit I/O ports. They can be specified as input or output ports in 1-bit units with port mode register 10
(PM10). When they are used as input ports, internal pull-up resistors can be used by defining pull-up resistor option
register H (PUOH).
LED can be driven directly.
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