μPD78F950x (1) Port pins Pin Name I/O Func" />
參數(shù)資料
型號: UPD78F9201MA-CAC-A
廠商: Renesas Electronics America
文件頁數(shù): 77/158頁
文件大?。?/td> 0K
描述: MCU 8BIT 2KB FLASH 128B RAM
標(biāo)準(zhǔn)包裝: 400
系列: 78K0S/Kx1+
核心處理器: 78K0S
芯體尺寸: 8-位
速度: 10MHz
外圍設(shè)備: LVD,POR,PWM,WDT
輸入/輸出數(shù): 7
程序存儲器容量: 2KB(2K x 8)
程序存儲器類型: 閃存
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 10-LSSOP(0.225",5.72mm 寬)
包裝: 托盤
CHAPTER 2 PIN FUNCTIONS
User’s Manual U18172EJ3V0UD
23
2.1.2
μPD78F950x
(1)
Port pins
Pin Name
I/O
Function
After Reset
Alternate-Function
Pin
P20
TOH1
P21
INTP0
P22
P23
Note
I/O
Port 2.
4-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected by setting
software.
Input port
EXCLK
Note
P32
I/O
Can be set to input or output mode in
1-bit units.
Input port
INTP1
P34
Note
Input
Port 3
An on-chip pull-up
resistor can be
connected by setting
software.
Input only
Input port
RESET
Note
P40, P43
I/O
Port 4.
2-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected by setting
software.
Input port
Note
For the setting method for pin functions, see CHAPTER 15 OPTION BYTE.
Caution
The P22 and P23/EXCLK pins are pulled down during reset. The P34/RESET pin is pulled up during
reset by the reset pin function/power-on clear circuit.
(2)
Non-port pins
Pin Name
I/O
Function
After Reset
Alternate-
Function Pin
INTP0
P21
INTP1
Input
External interrupt input for which the valid edge (rising edge,
falling edge, or both rising and falling edges) can be specified
Input port
P32
TOH1
Output
8-bit timer H1 output
Input port
P20
RESET
Note
Input
System reset input
Input port
P34
Note
EXCLK
Note
Input
External clock input for main system clock
Input port
P23
Note
VDD
Positive power supply
VSS
Ground potential
Note
For the setting method for pin functions, see CHAPTER 15 OPTION BYTE.
Caution
The P22 and P23/EXCLK pins are pulled down during reset. The P34/RESET pin is pulled up during
reset by the reset pin function/power-on clear circuit.
<R>
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