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參數(shù)資料
| 型號： | UPD31172F1-48-FN |
| 廠商： | NEC Corp. |
| 英文描述： | VRC4172TM COMPANION CHIP FOR VR4121TM |
| 中文描述： | VRC4172TM伴侶芯片VR4121TM |
| 文件頁數(shù)： | 1/44頁 |
| 文件大?。?/td> | 278K |
| 代理商： | UPD31172F1-48-FN |
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MOS INTEGRATED CIRCUIT
μ
PD31172
V
RC
4172
TM
COMPANION CHIP FOR V
R
4121
TM
Document No. U14388EJ2V0DS00 (2nd edition)
Date Published May 2000 N CP(K)
Printed in Japan
DATA SHEET
The mark shows major revised points.
DESCRIPTION
The
μ
PD31172 (commercial name: V
RC
4172) is a companion chip designed for NEC’s
μ
PD30121 microprocessor
(commercial name: V
R
4121).
The V
RC
4172 has the following functions available on chip: a USB host controller, an IEEE1284 parallel controller,
a 16550 serial controller, a PS/2 controller, general-purpose ports (GPIO), programmable chip select (PCS), and a
PWM controller (a duty modulated light pulse generation function for LCD backlighting).
The V
RC
4172 can be directly connected to the V
R
4121, allowing a reduction in the man-hours required for
development of a Windows CE system.
Detailed function descriptions are provided in the following user’s manual. Be sure to read it before
designing.
V
RC
4172 User’s Manual (U14386E)
FEATURES
Directly connectable to V
R
4121
On-chip USB host controller
USB ports: 2
Compliant with the USB OpenHCI specifications, release 1.0
Communicates with USB device asynchronously with host CPU
Full-speed (12 Mbps) and low-speed (1.5 Mbps) modes supported
System clock: 48 MHz
On-chip PS/2 controller
On-chip IEEE1284 parallel controller
On-chip 16550 serial controller
General-purpose ports (GPIO): 24
On-chip PWM controller
Duty modulated light pulse generation function for LCD backlighting
Internal maximum operating frequency: 48 MHz
Power supply voltage: V
DD
= 3.3 V
±
0.3 V
Package: 208-pin plastic FBGA
APPLICATIONS
Battery-driven portable information devices
Peripheral devices for PCs, etc.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
相關(guān)PDF資料 |
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|---|---|
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| UPD3728 | 7300 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD31173 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRC4173(TM) User＇s Manual | User＇s Manual[02/2002] |
| UPD31173F1-33-HN1 | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD31173F1-33-HN1-A | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD3140GS-E1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer |
| UPD3140GS-E2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer |
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