saa7240 NXP Semiconductors, saa7240 Datasheet - Page 6

• Manufacturer Part Number: saa7240
• Description: Mpeg-2 Transport Risc Processor
• Manufacturer: NXP Semiconductors

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(1) The MSP section is shown in more detail in Fig.2.
M = master peripheral with embedded DMA channel
S = slave peripheral
interface
PI-BUS
EJTAG
CTRL
JTAG
EJTAG
DSU
S
TIMER 3 (WATCHDOG)
INSTRUCTION CACHE
DATA CACHE
CPU section
CONTROLLER AND
EXTENSION BUS
TIMER 1
TIMER 2
SAA7240
PR3930
CORE
MIPS
extension
bus
DMA
S
MMU
CARD READER
smart card
0
interface
PI-bus
M
1
GPDATA
interface
UART
2
UART
INPUT/OUTPUT ROUTER
0 1
M
Fig.1 Block diagram.
interface
PKTDATA
SSI
SSI
M
BUFFER POOL CONTROLLER
INTERFACE
interface
PIO
PIO
GPD
M
S
DESCRAMBLERS
DEMUX AND
interface
I
I
2
2
0
C-bus
C-bus
M
1
PWM
IEEE 1284
PWM
interface
IEEE
1284
M
32 kHz
RTC
S
INTERFACE
Peripheral section
AUDIO AND
MSP section
CONTROLLER
VIDEO
INTERRUPT
S
(1)
4-KBYTE
SRAM
AV PES
interface
RESETN
CLK
S
FCE811