Zilog eZ80F92 - Manual (Page 70)

UM013911-0607 Schematic Diagrams
eZ80F92 Development Kit
User Manual
66
Figure 23. Schematic Diagram, #2 of 9—100-Pin QFP eZ80F92 Device
=
=
=
=
eZ80=IIC-bus-master
GoldCap
(= JTAG0)
PLACE CAPS CLOSE
TO PINS
97,7,33,43
D[0..7]
A[0..23]
CLK_OUT
XOUT
XIN
CLK_OUT XOU
T
VDD
-RESET
VSS
XIN
D0 D1 D2 D3 D4 D5 D6 D7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21 A22 A23
-CS0 -CS1 -CS2 -CS3
-CS[0..3]
D[0..7]
PB
7
PB
6
PB
5
PB
4
PB
3
PB
2
PB
1
PB
0
PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0
PC[0..7] PB[0..7]
IICSCL
IICSDA
-NMI
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
TDO
TDI
JTAG1
TRIGOUT JTAG2
TCK JTAG3
TMS JTAG4
RTC_VDD
RTC_XOUT
RTC_XIN
PD[0..7]
JTAG[1..4]
-BUSREQ
-BUSACK
-HALT_SLP
-IORE
Q
-MR
EQ
-RD -WR -INST
RD
-W
AIT
IICSDA
IICSCL
PB[0..7]
PC[0..7]
PD[0..7]
A[0..23]
-CS[0..3]
-RESET
-IOREQ
-MREQ
-RD
-WR
-INSTRD
-WAIT
-HALT_SLP
-BUSACK
-BUSREQ
-NMI
JTAG[1..4]
RTC_XOUT
RTC_XIN
RTC_VDD
RTC_VDD
TDO
V3.3
GND
V3.3
V3.3 V3.3 V3.3
C18
100nF
R29
10k
C21
1nF
R37
0
R32
220
R31 0
D1
TMM BAT 41
MINIMELF_AK
R28
100
C19
0,1F
GOLDCAP_SD
C22
1nF
C24
18pF
U8
eZ80F92
TQFP100
83
75
87 82 84 86 96 97 100
35
85
74
17
54
66
73
99
49
98
20
81
64
88 89 90 91 92 93 94 95 80
72
79
65
78
29
77
45
76
30
63
71
50
62
53
70
60
36
69
21
68
59
67
31
55
58
7
37 33
61
46
1
51
22
56
57
26 34 27 32 28
52
38 48
2
8
39 47 40
3
23
4
43 41
5
24
42 44
6
9
25
10
18
11
12
13
19
14
15
16
PC7/RI1
PD7/RI0
VDD
PC6/DCD1
VSS
XOUT
VDD VSS
PHI
D0
XIN
PD6/DCD0
A14
BUSACK
TDO
PD5/DSR0
SCL
INSTRD
SDA
A15
PC5/DSR1
TRIGOUT
PB0/T0_IN PB1/T1_IN
PB2/SS
PB3/SCK
PB4/T4_OUT PB5/T5_OUT
PB6/MISO PB7/MOSI PC4/DTR1
PD4/DTR0
PC3/CTS1
TDI (ZDA)
PC2/RTS1
CS0
PC1/RxD1
IOREQ
PC0/TxD1
CS1
TCK (ZCL)
PD3/CTS0
WAIT
TMS
BUSREQ
PD2/RTS0/IR_SD
RTC_VDD
D1
PD1/RxD0/IR_RXD
A16
PD0/TxD0/IR_TXD
RTC_XOUT
VDD
CS2
HALT_SLP
RTC_XIN
VDD
D2 VDD
VSS
MREQ
A0
RESET
A17
VDD
VSS
A21 VSS A22 CS3 A23
NMI
D3 WR
A1
VSS
D4 RD D5
A2
A18
A3
VDD D6
A4
A19
D7 VSS
A5
A6
A20
A7
VDD
A8
A9
A10
VSS
A11
A12
A13
Y3
32.768kHz
XTAL3
Y2 20 MHz
HC49SM
R27 100K
C23
1nF
C16
20pF
C17
20pF
C20
18pF
D[0..7]
A[0..23]
IICSCL
IICSDA
CLK_OUT
PB[0..7]
PC[0..7]
PD[0..7]
-CS[0..3]
-RESET
-IOREQ
-MREQ
-RD
-WR
-INSTRD
-HALT_SLP
-BUSACK
-WAIT
-BUSREQ
-NMI
JTAG[1..4]
RTC_VDD
TDO