saa7240 NXP Semiconductors, saa7240 Datasheet - Page 14

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

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NFAULT/A22
DIR1284
PWM interface
PWM0
System interface
RESETN
XTAL1
XTAL2
JTAG and test interface
TDO
TDI
TMS
TRST
TCK
EJTAG interface
DSU_CLK
PCST[0:2]
SYMBOL
207
208
165
1
153
152
178
179
180
181
184
185
186 to 189
PIN
TYPE
I/O
I/O
I/O
O
O
O
O
O
I
I
I
I
I
host to peripheral control line or address line
direction control of the external buffers
PWM output for VCXO control
general system reset; active LOW; the pad is asserted
LOW (if enabled) when the internal watch dog time-out is
detected
13.5 MHz crystal input
13.5 MHz crystal output or external clock input
test data output/target PC output
test data input/debug interrupt
test mode select
test reset
test clock
DSU clock is equivalent to the processor clock; used to
capture address and data from pin TDO when PC trace
mode is on; is 3-stated when bit 0 or 15 of the
JTAG_Control_Register is LOW or logic 0
CPU status (debug mode, pipeline stall and occurrence
of exception)
DESCRIPTION
bidirectional; CMOS input;
3-state output; 2 mA output drive
2 mA output drive
open-drain; 8 mA output drive
bidirectional; CMOS input;
4 mA output drive open drain;
oscillator input
oscillator output
2 mA output drive
CMOS input
CMOS input
CMOS input
CMOS input
2 mA output drive
2 mA output drive
BUFFER TYPE
RESET
Z
LOW
LOW
LOW
T
T
Z
Z
Z
Z
Z
Z
Z
STATE