MC1323X Datasheet, PDF (19/36 Pages) Freescale Semiconductor, Inc – Low Cost SoC Remote Control Platform for the 2.4 GHz IEEE®

Table 2. Pin Function Description (continued)
Pin #
Pin Name
Type
Description
Functionality
27 PTD0/TPM0
Digital Input/Output Port D Bit 0 / TPM0 signal
TPM1 timer output / gate input
signal
28 PTD1/TPM1
Digital Input/Output Port D Bit 1/ TPM1 signal
TPM2 timer output / gate input
signal
29 PTD2/TPM2
Digital Input/Output Port D Bit 2 / TPM2 signal
TPM3 timer output / gate input
signal
30 PTD3/TPM3
Digital Input/Output Port D Bit 3 / TPM3 signal
TPM4 timer output / gate input
signal
31 PTD4/CMT
Digital Input/Output Port D Bit 4/ CMT output
Hi drive output for IR diode
32 PTD5/TXD
Digital Input/Output Port D Bit 5 / UART TXD output
UART has no hardware flow
control
33 PTD6/RXD
Digital Input/Output Port D Bit 6 / UART RXD input
UART has no hardware flow
control
34 PTD7
Digital Input/Output Port D Bit 7
35 XTAL_32M
Analog Output
32 MHz reference oscillator output
36 EXTAL_32M
37 VBATT_3
Analog input
Power Input
32 MHz reference oscillator input
VDD supply input¹
Connect to system VDD supply
38 VREG_VCO
VCO Reg Out / in VCO regulator output and input to VCO Bypass to ground with 220 nF
1.8 Vdc VDD
capacitor.
39 VDD_ANA
Analog Power Input Analog 1.8 Vdc Input
Connect to VREG_ANA
40 NC
No Connect
41 RF_N
RF Input/Output Modem RF input/output negative
Bi-directional RF port for the
internal LNA and PA
42 RF_P
RF Input/Output Modem RF input/output negative
Bi-directional RF port for the
internal LNA and PA
43 RF_BIAS
44 VBATT_2
RF Voltage Output Switched RF bias voltage (1.8 Vdc)
Power Input
VDD supply input¹
High for TX; low for RX
Connect to system VDD supply
45 NC
Input
No Connect
Connect to ground
46 VREG_LO2
LO2 Reg Out
LO2 regulator output @ 1.8 Vdc
Bypass to ground with 220 nF
capacitor.
47 VREG_ANA
48 VBATT_1
ANA Reg Out
Power Input
Analog regulator output @ 1.8 Vdc
VDD supply to Analog regulator¹
Bypass to ground with 220 nF
capacitor. Connect to
VDD_ANA
Connect to system VDD supply
Flag GND
Power Input
System ground
1 _{VBATT_1, VBATT_2, VBATT_3 and VBATT_4 signals are not connected onboard MC1323x.}
MC1323x Advance Information, Rev. 1.2
Freescale Semiconductor
19