ZiLOG eZ80F92 User Manual page 70

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 D0
A22 D1
A23 D2
D3
D[7:0]
D4
D0 D5
D1 D6
D2 D7
D3
D4 -CT_WR
D5
D6
D7
MD[7:0]
MD[7:0]
-CS0
-CS0 D[7:0]
-CS1
-CS1
D0
D1
D2
D3
PHI D4
PHI
D5
D6
-RD D7
-RD
-WR
-WR
-AN_WR
SDA
SDA
SCL
SCL
-CS2
-CS2
VDD
-CS3
-CS3
R13
10K
U15
GND
2
M 1 3 17
I1 I/O0
-EM_EN
4 18
I2 I/O1
A0
5 19
I3 I/O2
A1
J3 6 20
I4 I/O3
-RD
7 21
I5 I/O4
-WR
9 23
I6 I/O5
A2
10 24
I7 I/O6
A3
11 25
I8 I/O7
A4
12 26
I9 I/O8
A5
13 27
I10 I/O9
16
-MEMRQ
I11
28
VCC
-IORQ
2 14
-IORQ
CLK/I0 GND
22V10A/LCC_0
VDD
VDD
GND
GND
904-0203
Downloaded from Elcodis.com electronic components distributor
R6 10K
VDD
-CS2
-FL_DIS
2
-FL_DIS 1 -CS0
A23
A22
A21
J11
A20
A19
A18
A17
A16
J15
2
-EX_FL_DIS -EX_FL_DIS
1
VDD
10K R7
U12
CT4
3 2
D0 Q0
CT3
4 5
D1 Q1
CT2
7 6
D2 Q2
8 9 CT1
D3 Q3
CT0
13 12
D4 Q4
-MRESET
14 15
-MRESET
D5 Q5
17 16 TRIG1
D6 Q6
TRIG2
18 19
D7 Q7
VDD
11 20
CLK VCC
AN0
1 10 12
OE GND
C5
0.1uF
74HCT374 GND
AN1
11
U14
AN2
2
3 2
D0 Q0
4 5
D1 Q1
7 6
D2 Q2
AN3
8 9 9
D3 Q3
13 12
D4 Q4
14 15
D5 Q5
17 16
D6 Q6
-EM_WR_OE AN4
18 19 4
D7 Q7
VDD
11 20
CLK VCC
AN5
1 10 5
OE GND
C6
0.1uF
74HCT374
GND AN6
6
MD[7:0]
U16
MD7
-EM_RD 3
A1
MD6
-EM_WR 4
A2
-CT_WR MD5
5
A3
MD4
-AN_WR 6
A4
MD3
7
-DIS_ETH
A5
MD2
8
A6
MD1
9
A7
-CS3 MD0
10
A8
A6
A7 -EM_WR
14
LEAB
-EM_RD
1
LEBA
VDD
-EM_WR_OE
13
OEAB
C7 2
OEBA
0.1uF
GND
11
CEAB
23
CEBA
74LCX543/SO
®
Figure 18. eZ80 Development Platform Schematic Diagram, #2 of 5
PRELIMINARY
U10
-CS_EX_IN
3 17
I1 I/O0
-MEM_CEN1
4 18
-MEM_CEN1
I2 I/O1
5 19 -MEM_CEN2
I3 I/O2 -MEM_CEN2
-MEM_CEN3
6 20
I4 I/O3 -MEM_CEN3
-MEM_CEN4
7 21
I5 I/O4 -MEM_CEN4
9 23
I6 I/O5 -L_RD
-EM_EN
10 24
I7 I/O6
11 25
I8 I/O7 -DIS_FL
12 26
I9 I/O8
13 27
I10 I/O9
16
I11
VDD
28
VCC
2 14
CLK/I0 GND
22V10A/LCC C2
GND 0.1uF
JP4
TRIG1
1
1 3 10 7 8 D5
Pin2
JP5
TRIG2
1
Pin2
9 8
U8C
TC74LVT125
GND
5 6
U8B
TC74LVT125
LTP-757
EM_D7
22
B1 EM_D7
EM_D6
21 SW1
EM_D6
B2
EM_D5
20
B3 EM_D5
EM_D4
19
B4 EM_D4
EM_D3
18 SW PUSHBUTTON
EM_D3
B5
EM_D2
17
B6 EM_D2
EM_D1
16 SW2
B7 EM_D1
EM_D0
15
EM_D0
B8
SW PUSHBUTTON
SW3
VDD
24
VCC
12 SW PUSHBUTTON
GND
C8
0.1uF
GND
eZ80F92 Development Kit
User Manual
Ferrite Core
M_TIP
T1
SIDACTOR P3100SB
U11
M_RING
C3 C4
0.001uF 0.001uF
GND
U13
SCL 1 16 VDD
SCL VDD
SDA GND
2 15
SDA WP
3 14
OVERR N_MUX_O
4 13 GND
M_IN_A MUX_SEL
5 12
M_IN_B M_OUT_A
6 11
M_IN_C M_OUT_B
7 10
M_IN_D M_OUT_C
GND
8 9
GND M_OUT_D
PCA8550
GND
12 11
-CON_DIS
U8D
TC74LVT125
-DIS_0
J19
-CS_EX_IN
2 1
-MEM_CEN1
4 3
-MEM_CEN2
6 5
-DIS_IRDA
-MEM_CEN3
8 7
VDD
EX_SEL
R10 R11 R12
10K 10K 10K
PB0_T0_I
PB1_T1_I
PB2_SS
Schematic Diagrams
60
P4
1
1
2
2
3
3
4
4
RJ14
ID_2
ID_1
ID_0
-DIS_1
-MOD_DIS
-CS_EX