Port Integration Module (S12VRPPIMV1)
MC9S12VRP Family Reference Manual Rev. 1.3
NXP Semiconductors
91
Figure 2-36. Digital Input Read with Pullup Enabled
2.5.4.2
):
1. Enable analog function on HVI in non-direct mode (PTAENL=1, PTADIRL=0)
2. Select internal pulldown device on HVI (PTPSL=0)
3. Enable function to force input buffer active on HVI in analog mode (PTTEL=1)
4. Verify PTIL=1 for a connected external pull-up device; read PTIL=0 for an open input
Figure 2-37. Digital Input Read with Pulldown Enabled
HVI
140K
400K
VDDX
Digital in
110K / 550K
min. 1/4 * V
DDX
10K
PIRL=0 / PIRL=1
HV Supply
HVI
140K
510K / 950K
Digital in
max. 17/22 * V
HVI
(PIRL=0)
PIRL=0 / PIRL=1
max. 19/22 * V
HVI
(PIRL=1)
10K
HV Supply
Summary of Contents for MC9S12VRP64
Page 16: ...MC9S12VRP Family Reference Manual Rev 1 3 16 NXP Semiconductors ...
Page 46: ...Device Overview S12VRP Series MC9S12VRP Family Reference Manual Rev 1 3 46 NXP Semiconductors ...
Page 236: ...S12S Debug Module S12DBGV2 MC9S12VRP Family Reference Manual Rev 1 3 236 NXP Semiconductors ...
Page 244: ...Interrupt Module S12SINTV1 MC9S12VRP Family Reference Manual Rev 1 3 244 NXP Semiconductors ...
Page 358: ...Timer Module TIM16B2CV3 MC9S12VRP Family Reference Manual Rev 1 3 358 NXP Semiconductors ...
Page 436: ...Supply Voltage Sensor BATSV2 MC9S12VRP Family Reference Manual Rev 1 3 436 NXP Semiconductors ...
Page 528: ...NVM Electrical Parameters MC9S12VRP Family Reference Manual Rev 1 3 528 NXP Semiconductors ...
Page 530: ...Package Information MC9S12VRP Family Reference Manual Rev 1 3 530 NXP Semiconductors ...
Page 531: ...Package Information MC9S12VRP Family Reference Manual Rev 1 3 NXP Semiconductors 531 ...
Page 532: ...Package Information MC9S12VRP Family Reference Manual Rev 1 3 532 NXP Semiconductors ...