Pin Connections
Table 3. MC34708 Pin Definitions (continued)
Pin
Pin Number
Pin Name
Definition
Function
Ground for regulators 1
Ground for regulators 2
Supply for GPIOLV pins
General purpose input/output 0
General purpose input/output 1
General purpose input/output 2
General purpose input/output 3
PWM output 1
K13
L12
GNDREG1
GNDREG2
GPIOVDD
GPIOLV0
GPIOLV1
GPIOLV2
GPIOLV3
PWM1
GND
GND
I
A13
E11
I/O
I/O
I/O
I/O
O
B11
D11
C11
A12
PWM output 2
C10
PWM2
O
GPIO ground
B12
GNDGPIO
-
Control Logic
A11
1. Coin cell supply input
LICELL
I/O
2. Coin cell charger output
32.768 kHz Oscillator crystal connection 1
32.768 kHz Oscillator crystal connection 2
Ground for the RTC block
M15
L15
K14
H11
H13
H10
E1
XTAL1
XTAL2
I
I
GNDRTC
CLK32KVCC
CLK32K
CLK32KMCU
RESETB
RESETBMCU
WDI
GND
Supply voltage for 32 k buffer
32 kHz Clock output for peripherals
32 kHz Clock output for processor
Reset output for peripherals
Reset output for processor
I
O
O
O
F5
O
Watchdog input
L4
I
Standby input signal from processor
Interrupt to processor
J5
STANDBY
INT
I
E4
O
Power on/off button connection 1
Power on/off button connection 2
Global Reset
G8
PWRON1
PWRON2
GLBRST
PUMS1
PUMS2
PUMS3
PUMS4
PUMS5
ICTEST
GNDCTRL
SPIVCC
CS
I
E3
I
G7
I
Power up mode supply setting 1
Power up mode supply setting 2
Power up mode supply setting 3
Power up mode supply setting 4
Power up mode supply setting 5
C12
B14
B13
A14
D12
D10
E2
I
I
I
I
I
Connect to ground for normal mode operation.
Ground for control logic
I
GND
Supply for SPI bus
F4
I
I
I
I
Primary SPI select input
Primary SPI clock input
G2
G1
CLK
Primary SPI write input
F3
MOSI
MC34708
Analog Integrated Circuit Device Data
11
Freescale Semiconductor
FREESCALE [ Freescale ]
