PR31700 Datasheet, PDF (4/36 Pages) NXP Semiconductors – 32-bit RISC microprocessor

Philips Semiconductors
32-bit RISC microprocessor
Preliminary specification
PR31700
ICACHE
4 KBYTE
DATA
ADDR
DCACHE
1 KBYTE
DATA
ADDR
PR3901
RISC CUP
CORE
MAC
DATA
ADDR
DATA
ADDR
TO
MEMORY
CONTROL
R3901
PROCESSOR CORE
TO BETTY
TO LCD
SIB MODULE
VIDEO MODULE
SYSTEM INTERFACE UNIT (SIU) MODULE ARBITRATION/
DMA/ADR DECODE
DATA
ADDR
CHI MODULE
IR MODULE
TO GENERAL
PURPOSE I/O
32 KHZ
IO MODULE
TIMER MODULE
(+ RTC)
SYSCLK
CLOCK MODULE
SYSTEM INTERFACE MODULE (SIM)
UART MODULE
(DUAL UART)
SPI MODULE
POWER MODULE
INTERRUPT MODULE
Figure 2. PR31700 Block Diagram
TO HIGH
SPEED SERIAL
TO IR
TO UART
TO POWER
SUPPLY
SN00184
1998 May 13
4