isp1181 NXP Semiconductors, isp1181 Datasheet - Page 3

• Manufacturer Part Number: isp1181
• Description: Isp1181 Full-speed Universal Serial Bus Interface Device
• Manufacturer: NXP Semiconductors

Fig 1. Block diagram.
RESET
V CC
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44
1
3.3 V
1.5
k
D
REGULATOR
POWER-ON
REGGND
VOLTAGE
5
to/from USB
ANALOG
RESET
Tx/Rx
D
2
4
V BUS
sense
input
6
SoftConnect
V reg(3.3)
GoodLink
HUB
3
GL
7
to LED
internal
reset
3.3 V
SUSPEND
OSCILLATOR
RECOVERY
BIT CLOCK
XTAL1
48
PHILIPS
6 MHz
9
PLL
SIE
WAKEUP
8
3.3 V
XTAL2
47
MHz
48
GND
MANAGEMENT
INTEGRATED
25, 36, 46
3
INTERNAL
MEMORY
CLKOUT
DIVIDER
PROGR.
SUPPLY
UNIT
RAM
45
V CC(3.3)
37
DREQ
CONTROLLER
ENDPOINT
HANDLER
HANDLER
HANDLER
11
SUPPLY
I/O PIN
MICRO
DMA
V ref
EOT, DACK
26
2
10, 12
INTERFACE
BUS
ISP1181
38, 35 to 27,
43 to 39
24 to 19
MGS767
17
18
15
16
5
microcontroller
to/from
BUS_CONF0
BUS_CONF1
AD,
DATA1 to DATA9,
DATA10 to DATA15
CS, ALE, WR,
RD, A0
INT