Figure 17. Ez80 ® Development Platform Schematic Diagram - ZiLOG eZ80F92 User Manual

A[23:0]
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
D[7:0]
A20
A21
A22
A23
D[7:0]
D0
D1
D2
D3
D4
D5
D6
D7
MD[7:0]
MD[7:0]
-CS0
-CS0 D[7:0]
-CS1
-CS1
PHI
PHI
-RD
-RD
-WR
-WR
SDA
SDA
SCL
SCL
-CS2
-CS2
VDD
-CS3
-CS3
R13
10K
U15
2 GND
-DIS_EM 1 3
I1
-EM_EN
4
I2
A0
5
I3
A1
J3 6
I4
-RD
7
I5
-WR
9
I6
A2
10
I7
A3
11
I8
A4
12
I9
A5
13
I10
16
-MEMRQ
I11
-IORQ
2
-IORQ
CLK/I0
22V10A/LCC_0
VDD
VDD
GND
GND
UM013904-0203
R6 10K
VDD
2
-FL_DIS 1
J11
J15
2
-EX_FL_DIS
-EX_FL_DIS 1
VDD
10K R7
U12
D0 CT4
3 2
D0 Q0
D1 CT3
4 5
D1 Q1
D2 CT2
7 6
D2 Q2
D3 CT1
8 9
D3 Q3
D4 CT0
13 12
D4 Q4
D5 -MRESET
14 15
D5 Q5 -MRESET
D6 TRIG1
17 16
D6 Q6
D7 TRIG2
18 19
D7 Q7
-CT_WR VDD
11 20
CLK VCC
1 10
OE GND
C5
0.1uF
74HCT374 GND
U14
D0
3 2
D0 Q0
D1
4 5
D1 Q1
D2
7 6
D2 Q2
D3
8 9
D3 Q3
D4
13 12
D4 Q4
D5
14 15
D5 Q5
D6
17 16
D6 Q6
D7 -EM_WR_OE
18 19
D7 Q7
-AN_WR VDD
11 20
CLK VCC
1 10
OE GND
C6
0.1uF
74HCT374
GND
MD[7:0]
MD7
17 -EM_RD
I/O0
MD6
18 -EM_WR
I/O1
MD5
19 -CT_WR
I/O2
MD4
20 -AN_WR
I/O3
MD3
21
-DIS_ETH
I/O4
MD2
23
I/O5
MD1
24
I/O6
-CS3 MD0
25
I/O7
A6
26
I/O8
A7 -EM_WR
27
I/O9
-EM_RD
28 VDD
VCC
-EM_WR_OE
14
GND
C7
0.1uF
GND
®
Figure 18. eZ80 Development Platform Schematic Diagram, #2 of 5
U10
-CS2 -CS_EX_IN
3 17
I1 I/O0
-FL_DIS -MEM_CEN1
4 18
I2 I/O1
-CS0 5 19 -MEM_CEN2
I3 I/O2
A23 -MEM_CEN3
6 20
I4 I/O3
A22 -MEM_CEN4
7 21
I5 I/O4
A21
9 23
I6 I/O5 -L_RD
A20 -EM_EN
10 24
I7 I/O6
A19
11 25
-DIS_FL
I8 I/O7
A18
12 26
I9 I/O8
A17 13 27
I10 I/O9
A16
16
I11
VDD
28
VCC
2 14
CLK/I0 GND
22V10A/LCC C2
GND 0.1uF
TRIG1
D5
1 3 10 7 8
TRIG2
AN0
12
AN1
11
AN2
2
AN3
9
GND
AN4
4
AN5
5
AN6
6
LTP-757
U16
EM_D7
3 22
A1 B1 EM_D7
EM_D6
4 21
A2 B2 EM_D6
EM_D5
5 20
A3 B3 EM_D5
EM_D4
6 19
EM_D4
A4 B4
EM_D3
7 18
EM_D3
A5 B5
EM_D2
8 17
EM_D2
A6 B6
EM_D1
9 16
A7 B7 EM_D1
EM_D0
10 15
A8 B8 EM_D0
14
LEAB
1
LEBA
VDD
13 24
OEAB VCC
2
OEBA
12
GND
C8
11
CEAB
0.1uF
23
CEBA
74LCX543/SO GND
PRELIMINARY
eZ80F92 Development Kit
M_TIP
-MEM_CEN1
-MEM_CEN2
-MEM_CEN3
-MEM_CEN4
SIDACTOR P3100SB
U11
M_RING
C3
0.001uF
GND
U13
SCL
JP4 1
SCL
SDA
2
1 SDA
3
OVERR N_MUX_O
4
M_IN_A MUX_SEL
Pin2 5
M_IN_B M_OUT_A
JP5 6
M_IN_C M_OUT_B
7
1 M_IN_D M_OUT_C
GND
8
GND M_OUT_D
Pin2
PCA8550
GND
9 8
-CON_DIS
U8C
TC74LVT125
-DIS_0
-CS_EX_IN
-MEM_CEN1
-MEM_CEN2
5 6
-DIS_IRDA
-MEM_CEN3
U8B
VDD
TC74LVT125
R10 R11 R12
10K 10K 10K
SW1
PB0_T0_I
SW PUSHBUTTON
SW2
PB1_T1_I
SW PUSHBUTTON
SW3
PB2_SS
SW PUSHBUTTON
User Manual
60
Ferrite Core
P4
T1 1
1
2
2
3
3
4
4
RJ14
C4
0.001uF
VDD
16
VDD
GND
15
WP
14
GND
13
12
ID_2
11
ID_1
10
ID_0
9
-DIS_1
12 11
-MOD_DIS
U8D
TC74LVT125
J19
-CS_EX
2 1
4 3
6 5
8 7
EX_SEL
Schematic Diagrams