參數(shù)資料
型號(hào): STPCC0310BTC3
廠商: STMICROELECTRONICS
元件分類: 外設(shè)及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA388
封裝: PLASTIC, BGA-388
文件頁(yè)數(shù): 13/51頁(yè)
文件大小: 836K
代理商: STPCC0310BTC3
PIN DESCRIPTION
20/51
Release B
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
2.2.11 MISCELLANEOUS
SPKRD
Speaker Drive. This the output to the
speaker and is AND of the counter 2 output with
bit 1 of Port 61, and drives an external speaker
driver. This output should be connected to 7407
type high voltage driver.
SCL, SDA I C Interface
. These bidirectional pins
are connected to CRTC register 3Fh to implement
DDC capabilities. They conform to I2C electrical
specifications, they have open-collector output
drivers which are internally connected to VDD
through pull-up resistors.
They can be used for the DDC1 (SCL) and DDC0
(SDA) lines of the VGA interface.
SCAN_ENABLE
Reserved. The pin is reserved
for Test and Miscellaneous functions.
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