saa7240 NXP Semiconductors, saa7240 Datasheet - Page 10

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

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MLCASN/BAA#/SIZE1
MUCASN/SIZE2
UCASN
WEN
DCS0N
CS[0:8]N
CS[10:9]N
OEN/TSN
DTACK
CLK
UART 0 interface
TXD0
RXD0
RTSN0
CTSN0
UART 1 and SSI interface
TXD1/V34_TXD
RXD1/V34_RXD
RTSN1/V34_FS
CTSN1/V34_CLK
MCLK
UART 2 interface
TXD2
RXD2
SYMBOL
(1)
(2)
(2)
(2)
(2)
45
44
42
62
47
56 to 50,
60, 61
58
59
91
142
141
143
144
138
137
139
140
146
136
135
PIN
TYPE
n.a.
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
column access strobe mid lower byte
column access strobe mid upper byte
column access strobe upper byte
write enable
chip select for SDRAM bank 0
chip select
chip select extension shared with the IEEE 1284
interface
output enable or Transfer Start indication
data termination acknowledge
40.5 MHz clock
UART 0 transmit data line
UART 0 receive data line
UART 0 request to send
UART 0 clear to send
transmit data line or transmit serial data to the CODEC
receive data line or receive serial data from CODEC
request to send (output) or Frame synchronization
reference from CODEC (input)
clear to send or serial input clock from CODEC (up to
3.375 MHz)
master clock to the CODEC (up to 36.864 MHz)
UART 2 transmit data line
UART 2 receive data line
DESCRIPTION
3-state output; 2 mA output drive HIGH
3-state output; 2 mA output drive HIGH
3-state output; 2 mA output drive HIGH
3-state output; 2 mA output drive HIGH
3-state output; 2 mA output drive HIGH
3-state output; 2 mA output drive HIGH
n.a.
3-state output; 2 mA output drive HIGH
CMOS input
2 mA output drive
2 mA output drive
CMOS input
2 mA output drive
CMOS input
2 mA output drive
CMOS input
bidirectional; CMOS input;
2 mA output drive
CMOS input
2 mA output drive
2 mA output drive
CMOS input
BUFFER TYPE
RESET
n.a.
Z
T
HIGH
Z
HIGH
Z
HIGH
Z
HIGH
Z
T
HIGH
Z
STATE