NXP Semiconductors P89LPC9321 UM10310 - Manual (Page 8)

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User manual Rev. 2 — 1 November 2010 8 of 139
NXP Semiconductors
UM10310
P89LPC9321 User manual
1.3 Functional diagram
Fig 4. Functional diagram
V DD V SS
PORT 0
PORT 3
TXD
RXD
T0
INT0
INT1
RST
SCL
SDA
002aae103
CMP2
CIN2B
CIN2A
CIN1B
CIN1A
CMPREF
CMP1
T1
XTAL2
XTAL1
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
MOSI
MISO
SS
SPICLK
PORT 1
PORT 2
P89LPC9321
OCB
OCC
ICB
OCD
OCA
ICA
CLKOUT