參數(shù)資料
型號(hào): UPD78F9212CS-CAB-A
廠商: Renesas Electronics America
文件頁數(shù): 131/175頁
文件大?。?/td> 0K
描述: MCU 8BIT 4KB FLASH 16PIN
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): 13
程序存儲(chǔ)器容量: 4KB(4K x 8)
程序存儲(chǔ)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: 16-DIP(0.300",7.62mm)
包裝: 托盤
User’s Manual U16994EJ6V0UD
57
CHAPTER 4 PORT FUNCTIONS
4.1
Functions of Ports
The 78K0S/KY1+ has the ports shown in Figure 4-1, which can be used for various control operations. Table 4-1
shows the functions of each port.
In addition to digital I/O port functions, each of these ports has an alternate function.
For details, refer to
CHAPTER 2 PIN FUNCTIONS.
Figure 4-1. Port Functions
Port 2
P20
P23
P32
Port 3
P34
P47
Port 4
P40
Table 4-1. Port Functions
Pin Name
I/O
Function
After Reset
Alternate-
Function Pin
P20
ANI0
Note 2/TI000/
TOH1
P21
ANI1
Note 2/TI010/
TO00/INTP0
P22
Note 1
X2/ANI2
Notes 1,2
P23
Note 1
I/O
Port 2.
4-bit I/O port.
Can be set to input or output mode in 1-bit units.
On-chip pull-up resistor can be connected by setting software.
Input
X1/ANI3
Notes 1,2
P32
I/O
Can be set to input or output mode in 1-
bit units.
On-chip pull-up resistor can be
connected by setting software.
Input
INTP1
P34
Note 1
Input
Port 3
Input only
Input
RESET
Note 1
P40 to P47
I/O
Port 4.
8-bit I/O port.
Can be set to input or output mode in 1-bit units.
On-chip pull-up resistor can be connected setting software.
Input
Notes 1. For the setting method for pin functions, see CHAPTER 15 OPTION BYTE.
2.
μPD78F921x only
Caution The P22/X2/ANI2 and P23/X1/ANI3 pins are pulled down during reset.
Remarks 1. P22 and P23 can be allocated when the high-speed internal oscillation is selected as the system clock.
2. P22 can be allocated when an external clock input is selected as the system clock.
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