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2 block diagram – Epson S1C33210 User Manual

Page 17

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1 OUTLINE

S1C33210 PRODUCT PART

EPSON

A-3

1.2 Block Diagram

V

DD

V

SS

A[23:0]

D[15:0]

#RD

#WRL/#WR/#WE

#WRH/#BSH

#HCAS

#LCAS

#CE10EX #CE[9:4]

#WAIT(P30)

#DRD(P20)

#DWE(P21)

#GAAS(P21)

#GARD(P31)

OSC3
OSC4

PLLS[1:0]

PLLC

OSC1
OSC2

FOSC1(P14)

#DMAREQx(K50, K51)

#DMAACKx(P32, P33)

#DMAENDx(P15, P16)

AD0–3(K60–63)
#ADTRG(K52)
AV

DD

K50–52
K60–63

#RESET
#NMI
#X2SPD
TST
DSIO
EA10MD[1:0]
BCLK
#BUSREQ(P34)
#BUSACK(P35)
#BUSGET(P31)
DST[2:0](P10–12)
DPCO(P13)
DCLK(P14)

T8UFx(P10–13)

SINx(P00, P04, P27, RXD)
SOUTx(P01, P05, P26, TXD)
#SCLKx(P02, P25)
#SRDYx(P03, P24)

P00–05
P10–16
P20–27
P30–35

DTR
RTS
TXD
RI
CTS
DCD
DSR
RXD
CNT1
CNT2
MSEL
GOUT

S1C33210

EXCLx(P10–13, P15, P16)
TMx(P22–27)

16-bit

Programmable

Timer (6 ch.)

S1C33000

Bus Control Unit

CPU Core

Interrupt

Controller

Prescaler

OSC3/PLL

OSC1

Clock
Timer

Intelligent

DMA (128 ch.)

High-speed

DMA (4 ch.)

8-bit

Programmable

Timer (6 ch.)

Serial Interface

(4 ch.)

A/D Converter

(4 ch.)

Input Port

I/O Port

Mobile Access

Interface

RAM

8KB

Figure 1.2.1 S1C33210 Block Diagram