FO-4450U/FO-CS1
5 – 3
PIN I/O Name Function
1 — Vcc-RTC*
1
RTC power supply (1.9 V)
2 O XTAL2 On-chip RTC crystal oscillator pin
3 I EXTAL2 On-chip RTC crystal oscillator pin
4 — Vss-RTC*
1
RTC power supply (0 V)
5 I/O D31/PTB[7] Data bus/input/output port B
6 I/O D30/PTB[6] Data bus/input/output port B
7 I/O D29/PTB[5] Data bus/input/output port B
8 I/O D28/PTB[4] Data bus/input/output port B
9 I/O D27/PTB[3] Data bus/input/output port B
10 I/O D26/PTB[2] Data bus/input/output port B
11 — VssQ Input/output power supply (0 V)
12 I/O D25/PTB[1] Data bus/input/output port B
13 — VccQ Input/output power supply (3.3 V)
14 I/O D24/PTB[0] Data bus/input/output port B
15 I/O D23/PTA[7] Data bus/input/output port A
16 I/O D22/PTA[6] Data bus/input/output port A
17 I/O D21/PTA[5] Data bus/input/output port A
18 I/O D20/PTA[4] Data bus/input/output port A
19 — Vss
Internal power supply (0 V)
20 I/O D19/PTA[3] Data bus/input/output port A
21 — Vcc Internal power supply (1.9 V)
22 I/O D18/PTA[2] Data bus/input/output port A
23 I/O D17/PTA[1] Data bus/input/output port A
24 I/O D16/PTA[0] Data bus/input/output port A
25 — VssQ Input/output power supply (0 V)
26 I/O D15
Data bus
27 — VccQ Input/output power supply (3.3 V)
28 I/O D14
Data bus
29 I/O D13
Data bus
30 I/O D12
Data bus
31 I/O D11
Data bus
32 I/O D10
Data bus
33 I/O D9
Data bus
34 I/O D8
Data bus
35 I/O D7
Data bus
36 I/O D6
Data bus
37 — VssQ Input/output power supply (0 V)
38 I/O D5
Data bus
39 — VccQ Input/output power supply (3.3 V)
40 I/O D4
Data bus
41 I/O D3
Data bus
42 I/O D2
Data bus
43 I/O D1
Data bus
44 I/O D0
Data bus
45 O A0 Address bus
46 O A1 Address bus
47 O A2 Address bus
48 O A3 Address bus
49 — VssQ Input/output power supply (0 V)
50 O A4 Address bus
51 — VccQ Input/output power supply (3.3 V)
HD6417706F133 (IC24) Terminal description (1/2)
PIN I/O Name Function
52 O A5 Address bus
53 O A6 Address bus
54 O A7 Address bus
55 O A8 Address bus
56 O A9 Address bus
57 O A10 Address bus
58 O A11 Address bus
59 O A12 Address bus
60 O A13 Address bus
61 — VssQ Input/output power supply (0 V)
62 O A14 Address bus
63 — VccQ Input/output power supply (3.3 V)
64 O A15 Address bus
65 O A16 Address bus
66 O A17 Address bus
67 O A18 Address bus
68 O A19 Address bus
69 O A20 Address bus
70 O A21 Address bus
71 — Vss Internal power supply (0 V)
72 O A22 Address bus
73 — Vcc Internal power supply (1.9 V)
74 O A23 Address bus
75 O A24 Address bus
76 O A25 Address bus
77 O/ I/O BS-/PTC[0]
Bus cycle start signal/ input/output port C
78 O RD- Read strobe
79 O WE-/DQMLL-
D7-D0 select signal/ DQM (SDRAM)
80 O
WE1-/DQMLU-/WE-
D15-D8 select signal/DQM (SDRAM)/write strobe (PCMCIA)
81
O/O/O/I/O
WE2-/DQMUL-/ICIORD/PTC[1]
D23-D16 select signal/DQM (SDRAM)/PCMCIA
input/output read/ input/output port C
82
O/O/O/I/O
WE2-/DQMUU-/ICIOWR/PTC[2]
D31-D24 select signal/DQM (SDRAM)/PCMCIA
input/output write/ input/output port C
83 O RD/WR- Read/write
84 — VssQ Input/output power supply (0 V)
85 O CS0- Chip select
86 — VccQ Input/output power supply (3.3 V)
87 O /I/O CS2-/PTC[3]
Chip select 2/input/output port C
88 O /I/O CS3-/PTC[4]
Chip select 3/input/output port C
89 O /I/O CS4-/PTC[5]
Chip select 4/input/output port C
90 O/O/I/O
CS5-/CE1A/PTC[6]
Chip select 5/CE1 (area 5 PCMCIA)/input/output port C
91 O/O/I/O
CS6-/CE1B/PTC[7]
Chip select 6/CE1 (area 6 PCMCIA)/input/output port C
92 O/ I/O CE2A-/PTD[6]
Area 5 PCMCIA CE2/ input/output port D
93 — VssQ Input/output power supply (0 V)
94 O/ I/O CE2B-/PTD[7]
Area 6 PCMCIA CE2/ input/output port D
95 — VccQ Input/output power supply (3.3 V)
96 O/ I/O RASL-/PTD[0]
Lower 32 Mbytes address RAS(SDRAM)/input output port D
97 O/ I/O RASU-/PTD[1]
Upper 32 Mbytes address RAS(SDRAM)/input output port D
98 O/ I/O CASL-/PTD[2]
Lower 32 Mbytes address CAS(SDRAM)/input output port D
99 O/ I/O CASU-/PTD[3]
Upper 32 Mbytes address CAS(SDRAM)/input output port D
100 O/ I/O CKE/PTD[4]
CK enable(SDRAM)/input/output port D
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