µPD703100A-33, 703100A-40, 703101A-33, 703102A-33
INTERNAL BLOCK DIAGRAM
NMI
HLDRQ
CPU
BCU
ROM
HLDAK
INTP100 to INTP103,
INTP110 to INTP113,
INTP120 to INTP123,
INTP130 to INTP133,
INTP140 to INTP143,
INTP150 to INTP153
INTC
CS0 to CS7/RAS0 to RAS7
IOWR
Instruction queue
PC
IORD
Multiplier
(32 × 32 → 64)
Note
DRAMC
REFRQ
BCYST
WE
TO100, TO101,
TO110, TO111,
TO120, TO121,
TO130, TO131,
TO140, TO141,
TO150, TO151
RD
Barrel
shifter
OE
Page ROM
controller
RPU
RAM
System registers
UWR/UCAS
LWR/LCAS
WAIT
TCLR10 to TCLR15
TI10 to TI15
ALU
General registers
(32 bits × 32)
A0 to A23
D0 to D15
DMARQ0 to DMARQ3
DMAAK0 to DMARQ3
TC0 to TC3
4 Kbytes
DMAC
SIO
SO0/TXD0
SI0/RXD0
SCK0
UART0/CSI0
BRG0
UART1/CSI1
BRG1
SO1/TXD1
SI1/RXD1
SCK1
CKSEL
CLKOUT
X1
Ports
CG
X2
CVDD
CVSS
SO2
SI2
CSI2
SCK2
MODE0 to MODE3
RESET
BRG2
System
controller
SO3
SI3
CSI3
SCK3
V
DD
SS
ANI0 to ANI7
V
AVREF
AVSS
ADC
AVDD
ADTRG
Note µPD703100A-33, 703100A-40: None
µPD703101A-33: 96 Kbytes (mask ROM)
µPD703102A-33: 128 Kbytes (mask ROM)
7
Preliminary Data Sheet U14168EJ2V0DS00
NEC [ NEC ]
