Renesas PG-FP5 - Equivalence Circuits

PG-FP5 CHAPTER 7 USAGE THE REMOTE CONNECTOR
R20UT0008EJ0400 Rev. 4.00 Page 135 of 240
Jul 15, 2010
7.3 Equivalence Circuits
In the DC properties of the remote interface, 4.7 k-ohm pull-up processing is executed so that the output signal has
CMOS output from 74LV126A (3.3 V) and the input signal has input from 74LV126A (3.3 V).
Figure 7-2. Equivalence Circuit (1/2)
(a) BUSY, PASS, ERROR, CANCEL, ENTER, NEXT
(b) CONN, VRF, START
4.7KΩ
FP5
74LV126A
Signal_CONN
33
User System
EMZ6.8 E
FP5_3.3V
信号出力回路
セルフテスト回路
FP5_3.3V
EMZ6.8 E
Signal_VRF
信号入力回路
74LV126A
74LV126A
4.7KΩ
セルフテスト回路
EMZ6.8 E
信号入力回路
ボタン回路
74LV126A
FP5_3.3V
74LV126A
Signal_START
FP5_3.3V
4.7KΩ
FP5
74LV126A
Signal_BUSY(2),PASS(3),ERROR(4)
33
User System
EMZ6.8 E
FP5_3.3V
信号出力回路
セルフテスト回路
FP5_3.3V
EMZ6.8 E
Signal_CANCEL(5),ENTER(6),NEXT(7)
信号入力回路
ボタン回路
74LV126A
74LV126A
Signal output
circuit
Self-test circuit
Signal input
circuit
Button circuit
Signal output
circuit
Self-test circuit
Signal input
circuit
Self-test circuit
Signal input
circuit
Button circuit
(1)
(8)
(9)