公开(公告)号：JP2004274791A

公开(公告)日：2004-09-30

申请号：JP2004142720

申请日：2004-05-12

Applicant: Motorola Inc ,  モトローラ・インコーポレイテッドMotorola Incorporated

Inventor： NG RICHARD ,  MOTTIER MATTHEW DUANE ,  JANSSEN JOHN J

IPC: H03K19/0175 ,  H03K19/0185 ,  H04L5/14 ,  H04L5/16 ,  H04L25/24

CPC classification number: H03K19/018592 ,  H04L5/1423 ,  H04L5/16 ,  H04L25/24

Abstract: PROBLEM TO BE SOLVED: To provide an electronic apparatus capable of adapting to a read / write control line regardless of hardware limitations.
SOLUTION: A bidirectional voltage translator 102 includes a first port 200, a second port 202 and bidirectional translator circuits 208 to 215 coupled between the first and second ports. The first and second ports communicate signals at a first voltage level and a second voltage level, respectively. When a first port signal input at the first voltage level at the first port is detected, the bidirectional translator circuits translate the first port signal into the second voltage level at the second port and disables the translation of a signal at the second port to the first port. When a second port signal input at the second voltage level at the second port is detected, the bidirectional translator circuits translate the second port signal into the first voltage level at the first port and disables translation of a signal at the first port to the second port 202.
COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：CA2192426C

公开(公告)日：2000-08-01

申请号：CA2192426

申请日：1996-12-09

Applicant: MOTOROLA INC

Inventor： NG RICHARD ,  MOTTIER MATTHEW DUANE ,  JANSSEN JOHN JEROME

IPC: H03K19/0175 ,  H03K19/0185 ,  H04L5/14 ,  H04L5/16 ,  H04L25/24 ,  H03H11/02

Abstract: A bidirectional voltage translator (102) includes a first port (200/400), a second port (202/402) and a bidirectional translator circuit (208-215/404-408, 410, 412-415) coupled between the first and second ports (200/ 400, 202/402). The first and second ports (200/400, 202/402) communicate signals at a first voltage level and a second voltage level, respectively. The second voltage level is different from the first voltage level. When a first port signal input at the first voltage level at the first port (200/400) is detected, the bidirectional translator circuit (208-215/404-408, 410, 412-415) translates the first port signal into the second voltage level at the second port (202/402) and disables translation of a signal at the second port (202/402) to the first port (200/400). When a second port signal input at the second voltage level at the second port (202/402) is detected, the bidirectional translator circuit (208-215/404-408, 410, 412-415) translates the second port signal into the first voltage level at the first port (200/400) and disables translation of a signal at the first port (200/400) to the second port (202/402).

公开(公告)号：CA2192426A1

公开(公告)日：1997-07-04

申请号：CA2192426

申请日：1996-12-09

Applicant: MOTOROLA INC

Inventor： NG RICHARD ,  MOTTIER MATTHEW DUANE ,  JANSSEN JOHN JEROME

IPC: H03K19/0175 ,  H03K19/0185 ,  H04L5/14 ,  H04L5/16 ,  H04L25/24 ,  H03H11/02 ,  H03K19/00

Abstract: A bidirectional voltage translator (102) includes a first port (200/400), a second port (202/402) and a bidirectional translator circuit (208-215/404-408, 410, 412-415) coupled between the first and second ports (200/400,202/402). The first and second ports (200/400,202/402) communicate signals at a first voltage level and a second voltage level, respectively. The second voltage level is different from the first voltage level. When a first port signal input at the first voltage level at the first port (200/400) is detected, the bidirectional translator circuit (208-215/404-408, 410, 412-415) translates the first port signal into the second voltage level at the second port (202/402) and disables translation of a signal at the second port (202/402) to the first port (200/400). When a second port signal input at the second voltage level at the second port (202/402) is detected, the bidirectional translator circuit (208-215/404-408, 410, 412-415) translates the second port signal into the first voltage level at the first port (200/400) and disables translation of a signal at the first port (200/400) to the second port (202/402).