Pin Functions - Epson S1C33210 Technical Manual

Cmos 32-bit single chip microcomputer
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1.3.2 Pin Functions

Pin name
Pin No.
QFP15-128
V
8, 27, 47, 74, 93, 111
DD
V
3, 22, 39, 54, 67, 90,
SS
102, 104
AV
30
DD
Pin name
Pin No.
QFP15-128
A0
55
#BSL
A[23:1]
56-58, 63-66, 69, 70, 72,
75, 78, 81, 84, 85, 87-89,
91, 73, 76, 79, 82
D[15:0]
7, 10, 12, 14, 16, 18, 25, 26,
36-38, 40-42, 45, 46
#CE10EX
34
#CE9&10EX
#CE9
48
#CE17
#CE17&18
#CE8
53
#RAS1
#CE14
#RAS3
#CE7
49
#RAS0
#CE13
#RAS2
#CE6
52
#CE7&8
#CE5
71
#CE15
#CE15&16
S1C33210 PRODUCT PART
Table 1.3.1 List of Pins for Power Supply System
I/O
Pull-up
Power supply (+)
(104
Power supply (-); GND
Pull-
down)
Analog system power supply (+); AV
Table 1.3.2 List of Pins for External Bus Interface Signals
I/O
Pull-up
O
A0:
#BSL:
O
Address bus (A1 to A23)
I/O
Data bus (D0 to D15)
O
Area 10 chip enable for external memory
* When CEFUNC[1:0] = "1x", this pin outputs #CE9+#CE10EX signal.
O
#CE9:
#CE17:
* When CEFUNC[1:0] = "1x", this pin outputs #CE17+#CE18 signal.
O
#CE8:
#RAS1:
#CE14:
#RAS3:
O
#CE7:
#RAS0:
#CE13:
#RAS2:
O
Area 6 chip enable
* When CEFUNC[1:0] = "1x", this pin outputs #CE7+#CE8 signal.
O
#CE5:
#CE15:
* When CEFUNC[1:0] = "1x", this pin outputs #CE15+#CE16 signal.
Function
Function
Address bus (A0) when SBUSST(D3/0x4812E) = "0" (default)
Bus strobe (low byte) signal when SBUSST(D3/0x4812E) = "1"
Area 9 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "00"
(default)
Area 17 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "01"
Area 8 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "00"
and A8DRA(D8/0x48128) = "0" (default)
Area 8 DRAM row strobe when CEFUNC[1:0](D[A:9])/0x48130) =
"00" and A8DRA(D8/0x48128) = "1"
Area 14 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "01"
or "1x" and A14DRA(D8/0x48122) = "0"
Area 14 DRAM row strobe when CEFUNC[1:0](D[A:9])/0x48130)
= "01"or "1x" and A14DRA(D8/0x48122) = "1"
Area 7 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "00"
and A7DRA(D7/0x48128) = "0" (default)
Area 7 DRAM row strobe when CEFUNC[1:0](D[A:9])/0x48130) =
"00" and A7DRA(D7/0x48128) = "1"
Area 13 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "01"
or "1x" and A13DRA(D7/0x48122) = "0"
Area 13 DRAM row strobe when CEFUNC[1:0](D[A:9])/0x48130)
= "01" or "1x" and A13DRA(D7/0x48122) = "1"
Area 5 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "00"
(default)
Area 15 chip enable when CEFUNC[1:0](D[A:9])/0x48130) = "01"
EPSON
1 OUTLINE
= V
DD
DD
A-5

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