UPD30121 NEC [NEC], UPD30121 Datasheet - Page 5

• Manufacturer Part Number: UPD30121
• Description: VR4121TM 64-/32-BIT MICROPROCESSOR
• Manufacturer: NEC [NEC]

PIN IDENTIFICATION
Remark # indicates active low.
ADD (0:25):
ADIN (0:2):
AFERST#:
AGND:
AUDIOIN:
AUDIOOUT:
AV
BATTINH:
BATTINT#:
BUSCLK:
CGND:
CKE:
CLKSEL (0:2):
CLKX1:
CLKX2:
CTS#:
CV
DATA (0:31):
DBUS32:
DCD#:
DCTS#:
DDIN:
DDOUT:
DGND:
DRTS#:
DSR#:
DTR#:
DV
FIRCLK:
FIRDIN#:
FS:
GND2, GND3:
GNDP, GNDPD:
GPIO (0:49):
HC0:
HLDACK#:
HLDRQ#:
HSPMCLK:
HSPSCLK:
ILCSENSE:
IOCHRDY:
IOCS16#:
IOR#:
IOW#:
IRDIN:
IRDOUT#:
IRING:
KPORT (0:7):
KSCAN (0:11):
LCAS#:
DD
DD
DD
:
:
:
Address Bus
General Purpose Input for A/D
AFE Reset
GND for A/D
Audio Input
Audio Output
V
Battery Inhibit
Battery Interrupt Request
System Bus Clock
GND for Oscillator
Clock Enable
Clock Select
Clock X1
Clock X2
Clear to Send
V
Data Bus
Data Bus 32
Data Carrier Detect
Debug Serial Clear to Send
Debug Serial Data Input
Debug Serial Data Output
GND for D/A
Debug Serial Request to Send
Data Set Ready
Data Terminal Ready
V
FIR Clock
FIR Data Input
Frame Synchronization
Ground
Ground for PLL
General Purpose I/O
Hardware Control 0
Hold Acknowledge
Hold Request
HSP Codec Master Clock
HSP Codec Serial Clock
Input Loop Current Sensing
I/O Channel Ready
I/O Chip Select 16
I/O Read
I/O Write
IrDA Data Input
IrDA Data Output
Input Ring
Key Code Data Input
Key Scan Line
Lower Column Address Strobe
DD
DD
DD
for A/D
for Oscillator
for D/A
Data Sheet U14691EJ1V0DS00
LCDCS#:
LCDRDY:
LEDOUT#:
MEMCS16#:
MEMR#:
MEMW#:
MIPS16EN:
MPOWER:
MRAS(0:3)#:
MUTE:
OFFHOOK:
OPD#:
PIUGND:
PIUV
POWER:
POWERON:
RD#:
ROMCS(0:3)#:
RSTOUT:
RSTSW#:
RTCX1:
RTCX2:
RTS#:
RxD:
SCAS#:
SCLK:
SDI:
SDO:
SEL:
SHB#:
SMODE (1:2):
SPOWER:
SRAS#:
SYSDIR:
TELCON:
TPX (0:1):
TPY (0:1):
TxD:
UCAS#:
ULCAS#:
UUCAS#:
V
V
WR#:
ZWS#:
RTCRST#:
DD
DD
2, V
P, V
DD
:
DD
DD
3:
PD:
LCD Chip Select
LCD Ready
LED Output
Memory Chip Select 16
Memory Read
Memory Write
MIPS16 Enable
Main Power
DRAM Row Address Strobe
Mute
Off Hook
Output Power Down
V
Power Switch
Power On State
Read
ROM Chip Select
System Bus Reset Output
Reset Switch
Real-time Clock X1
Real-time Clock X2
Request to Send
Column Address Strobe for
SDRAM/SROM
SDRAM/SROM Clock
HSP Serial Data Input
HSP Serial Data Output
IrDA Module Select
System Hi-Byte Enable
SDRAM Mode
SDRAM Power Control
Row Address Strobe for
SDRAM/SROM
System Bus Buffer Direction
Telephone Control
Touch Panel X I/O
Touch Panel Y I/O
Transmit Data
Upper Column Address Strobe
Lower Byte of Upper Column
Address Strobe
Address Strobe
Power Supply Voltage
V
Write
Zero Wait State
GND for Touch Panel Interface
Real-time Clock Reset
Receive Data
Upper Byte of Upper Column
DD
DD
for Touch Panel Interface
for PLL
PD30121
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