參數(shù)資料
型號(hào): S3P8075XX-AT
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP64
封裝: 0.750 INCH, SDIP-64
文件頁(yè)數(shù): 29/30頁(yè)
文件大?。?/td> 217K
代理商: S3P8075XX-AT
PRODUCT OVERVIEW
S3C8075/P8075
1-8
Table 1-2. S3C8075 Pin Descriptions (Continued)
Pin
Name
Pin
Type
Pin
Description
Circuit
Number
SDIP Pin
Number
Share
Pins
INT4–INT11
I/O
Bit-programmable external interrupt input
pins with interrupt pending and enable
/disable control
D
(with noise
filter)
8–15
P4.0–P4.7
X
IN, XOUT
System clock input and output pins
18, 19
RESET
I
System reset pin
(internal pull-up: 280 K
)
B
23
EA
I
External access (EA) pin with three modes:
0 V: Normal operation (internal ROM)
5 V: ROM-less operation (external interface)
20
V
DD2, VSS2
Power input pins for port output (external)
49, 48
V
DD1, VSS1
Power input pins for CPU (internal)
16, 17
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