CHAPTER 1 OVERVIEW OF EACH PRODUCT
1.5 Internal Block Diagram
(1) V850E/MA1
NMI
HLDRQ
BCU
MEMC
CPU
HLDAK
INTP100 to INTP103,
INTC
CS0, CS7
CS1/RAS1, CS3/RAS3
CS4/RAS4, CS6/RAS6
CS2/IORD
CS5/IOWR
SELFREF
REFRQ
INTP110 to INTP113,
ROM
INTP120 to INTP123,
INTP130 to INTP133
Instruction
queue
DRAMC
PC
Note 1
INTP000, INTP001,
INTP010, INTP011,
INTP020, INTP021,
Multiplier
(32 × 32 → 64)
BCYST
32-bit
barrel shifter
INTP030, INTP031
RPU
LBE/SDCAS
UBE/SDRAS
SDCLK
TO00 to TO03
SDCKE
TI000, TI010,
TI020, TI030
WE
System
registers
RD
OE
RAM
SIO
UWR/UCAS/UDQM
LWR/LCAS/LDQM
WAIT
ROMC
DMAC
SO0/TXD0
SI0/RXD0
SCK0
ALU
UART0/CSI0
General-
purpose
registers
A0 to A25
D0 to D15
BUSCLK
Note 2
SO1/TXD1
SI1/RXD1
SCK1
(32 bits × 32)
UART1/CSI1
UART2
CSI2
DMARQ0 to DMARQ3
DMAAK0 to DMAAK3
TC0 to TC3
TXD2
RXD2
SO2
SI2
SCK2
PWM0
PWM1
PWM0
PWM1
CKSEL
CLKOUT
X1
Ports
CG
X2
CVDD
CVSS
ANI0 to ANI7
AVREF/AVDD
AVSS
ADC
MODE0, MODE1
MODE2/VPP
RESET
ADTRG
Note 3
System
controller
V
V
DD
SS
Notes 1. µPD703103A:
µPD703105A, 703106A:
ROMless
128 KB (mask ROM)
256 KB (mask ROM)
256 KB (flash memory)
4 KB
µPD703107A:
µPD70F3107A:
2. µPD703103A, 703105A:
µPD703106A, 703107A, 70F3107A: 10 KB
3. Available only in the µPD70F3107A.
25
Application Note U17121EJ1V1AN
NEC [ NEC ]
