Epson S1C33210 User Manual
Page 24
1 OUTLINE
A-10
EPSON
S1C33210 PRODUCT PART
Pin name
Pin No.
I/O
Pull-up
Function
QFP15-128
DTR
95
O
–
DTR output
*
1
RTS
94
O
–
RTS output
*
1
TXD
SOUT3
100
O
–
TXD:
TXD output
*
1 when MSEL pin input is at High level
SOUT3:
SOUT3 output when MSEL pin input is at Low level
RI
97
I
–
RI input
*
1
CTS
101
I
–
CTS input
*
1
DCD
108
I
–
DCD input
*
1
DSR
96
I
–
DSR input
*
1
RXD
SIN3
107
I
–
RXD:
RXD input when MSEL pin input is at High level
SIN3:
SIN3 input when MSEL pin input is at Low level
CNT1
99
O
–
Mobile access control output #1
CNT2
98
O
–
Mobile access control output #2
MSEL
109
I
Pull-up Serial I/O interface Ch. 3 configuration input. Normally drive this at High level.
GOUT
110
O
–
NMI interrupt request output
Note: *1 The communications macro select (MCRS) register (D[1:0]/0x200000) configures the I/O
signals to match the target mobile device.
Table 1.3.5 List of Pins for Clock Generator
Pin name
Pin No.
I/O
Pull-up
Function
QFP15-128
OSC1
51
I
–
Low-speed (OSC1) oscillation input (32 kHz crystal oscillator or external clock
input)
OSC2
50
O
–
Low-speed (OSC1) oscillation output
OSC3
112
I
–
High-speed (OSC3) oscillation input (crystal/ceramic oscillator or external clock
input)
OSC4
113
O
–
High-speed (OSC3) oscillation output
PLLS[1:0]
105,106
I
–
PLL set-up pins
PLLS1
PLLS0
fin (f
OSC3
)
fout (f
PSCIN
)
1
1
10–25MHz
20–50MHz
0
1
10–12.5MHz
40–50MHz
0
0
PLL is not
used
L
PLLC
103
–
–
Capasitor connecting pin for PLL
Table 1.3.6 List of Other Pins
Pin name
Pin No.
I/O
Pull-up
Function
QFP15-128
/down
TST
80
I
Pull-
down
Test mode input. This pin is used for testing this chip. For further details, refer
to the S1C33 ASIC Design Guide.
DSIO
120
I/O
Pull-up Serial I/O pin for debugging
This pin is used to communicate with the debugging tool S5U1C33000H.
#X2SPD
116
I
–
Clock doubling mode set-up pin1: CPU clock = bus clock
×
1, 0: CPU clock = bus
clock
×
2
#NMI
44
I
Pull-up NMI request input pin
#RESET
43
I
Pull-up Initial reset input pin
Note: "#" in the pin names indicates that the signal is low active.