LPC2917 datasheet(34/68 Pages) PHILIPS

34 / 68 page

LPC2917_19_1

Preliminary data sheet

Rev. 1.01 — 15 November 2007

34 of 68

NXP Semiconductors

LPC2917/19

ARM9 microcontroller with CAN and LIN

8.7.3 MSCSS pin description

The pins of the LPC2917/19 MSCSS associated with the two ADC modules are described

in Section 8.7.5.3. Pins directly connected to the four PWM modules are described in

Section 8.7.6.5: pins directly connected to the MSCSS timer 1 module are described in

Section 8.7.7.3.

8.7.4 MSCSS clock description

The MSCSS is clocked from a number of different sources:

(1) Timers:

c0 to c3 = capture in 0 to capture in 3

m0 to m3 = match out 0 to match out 3

(2) ADCs:

st0 to st3 = start 0 to start 3 inputs

s0 to s3 = sync_out 0 to sync_out 3

(3) PWMs:

c_i = carrier in

s_i = sync_in

s_o = sync_out

TE_i = trans_enable_in

TE_o = trans_enable_out

Fig 8.

Modulation and sampling-control subsystem synchronization and triggering

002aad347

MSCSS PAUSE

PWM0 TRAP

PWM1 TRAP

PWM2 TRAP

PWM3 TRAP

ADC2_EXT_START

pause_0

so2

so1

so0

MSCSS(1)

TIMER 0

MSCSS(1)

TIMER 1

ADC1_EXT_START

pause

st0

ADC1(2)

st1

st2

st3

st0

ADC2(2)

st1

st2

st3

s_i

s_o

TE_o

PWM0(3)

TE_i

c_i

trap

s_i

s_o

TE_o

PWM1(3)

TE_i

c_i

trap

s_i

s_o

TE_o

PWM2(3)

TE_i

c_i

trap

s_i

s_o

TE_o

PWM3(3)

TE_i

c_i

trap

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