參數(shù)資料
型號(hào): L64118
廠商: LSI CORP
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA256
封裝: PLASTIC, BGA-256
文件頁(yè)數(shù): 43/68頁(yè)
文件大小: 877K
代理商: L64118
48
L64118 MPEG-2 Transport Controller with Embedded MIPS CPU (TR4101)
IRTX
Infrared Transmitter
Output
This signal serves as the infrared transmitter output.
GPIO44
Bidirectional
IRRX1 can serve as a general-purpose I/O signal
(GPIO44) by setting bit 7 in the General-Purpose Mode
register.
By default, this signal oats after reset.
General-Purpose Pins
The general-purpose I/O signals for the L64118 let you control and
monitor various external events. These signals consist of eight groups.
Group 7 contains dedicated GPIO signals, whereas the other groups
multiplex the GPIO signals with other functions. Note that all pins within
a GPIO group must be enabled or disabled as a group; however,
individual GPIO pins can be congured as inputs or outputs using the
General-Purpose Control register. The GPIO groups and associated pins
are listed in Table 5 through Table 12.
Table 5
Group 1: EBus Signals
Pin Name
GPIO Signal1
1. The GPIO3 and GPIO5 signals are not
available on the L64118.
CSn[4]
GPIO1
BEn[2]
GPIO2
BEn[3]
GPIO4
SDQMH
GPIO6
118bds Page 48 Wednesday, February 3, 1999 12:37 PM
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