Zilog eZ80F92 - Manual (Page 74)

UM013911-0607 Schematic Diagrams
eZ80F92 Development Kit
User Manual
70
Figure 27. Schematic Diagram, #6 of 9—IrDA Reset
power supervisor
IR-transceiver
(MMA 020 4)
open-drain
alternative:
Maxim
MAX6802UR29D3
VSS
VDD
IRDA_TXD
IRDA_SD
IRDA_RXD
IRDA_TXD
IRDA_RXD
IRDA_SD
-RESET
V3.3
GND
V3.3
V3.3
C9
100nF
0603
R6
2R7, 0.25W
1206
R5
68R
C11
330nF
U5
ZHX1810
2
4
3
1
5
6
0
TXD
SD
RXD
LEDA
VCC
GND T
C10
10nF
0603
U4
MAX6328UR29
SOT-23-L3
2
1
3
RESET
GND
VDD
R3
2k2
0603
-RESET
IRDA_RXD
IRDA_TXD
IRDA_SD