3 ok – Zilog EZ80F916 User Manual
Page 36
UM017010-0112
Schematics
eZ80F91 Modular Development Kit
User Manual
31
Figure 9. eZ80Acclaim! MDS Adapter Board Schematic, #2 of 2
RS232-1 DIS
POWER SUPPLY
3.3 OK
ZiLOG, Inc.
532 Race Street
GND
GND
RxD0
RTS0
GND
VCC_33V
3.3V
5V
VCC_5V
VCC_33V
GND
VCC_33V
GND
GND
VCC_33V
TxD0
CTS0
GND
GND
GND
PD0
PD3
PD2
PB6
VCC_5V
VCC_33V
PD1
VCC_33V
J8
1
2
U4B
TC74LVC08
4
5
6
14
7
U8C
74LV05
5
6
C8
0.1uF
C9
0.1uF
U3B
TC74LVT125
5
6
14
4
7
D2
GREEN
2
1
U8A
74LV05
1
2
14
7
U3D
TC74LVT125
12
11
14
13
7
U8D
74LV05
9
8
U4D
TC74LVC08
12
13
11
14
7
U3C
TC74LVT125
9
8
14
10
7
U5
LT1086-3.3/TO220
1
3
2
GND
VIN
VOUT
R13
10K
P2
DB9 FEMALE
5
9
4
8
3
7
2
6
1
R9
680
U8E
74LV05
11
10
+ C5
22uF
R12
10K
C10
0.1uF
C12
0.1uF
J7
PWR JACK
2
3
1
+C6
22/6.3
R11
10K
C4
0.1
C11
0.1uF
C7
0.1
U8B
74LV05
3
4
F1
RXE160
R10
10K
U6
MAX3222
1
2
4
5
6
13
12
15
10
3
7
17
8
16
9
20
19
18
11
14
EN
C1+
C1-
C2+
C2-
T1IN
T2IN
R1OUT
R2OUT
V+
V-
T1OUT
T2OUT
R1IN
R2IN
SHDN
VC
C
GND
NC
NC
U8F
74LV05
13
12
U4C
TC74LVC08
9
10
8
14
7