ST10F296 datasheet(29/346 Pages) STMICROELECTRONICS

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ST10F296E

Ball data

29/346

XPORT9.0

XPORT9.15

D15

I/O

16-bit bidirectional I/O port.

It is bit-wise programmable

for input or output via

direction bits. For a pin

configured as input, the

output driver is put into high-

impedance state. XPort 9

outputs can be configured

as push-pull or open-drain

drivers.The input threshold

of XPort 9 is selectable (TTL

or CMOS).

XPORT9.0

C16

I/O

XPORT9.1

D14

I/O

XPORT9.2

C15

I/O

XPORT9.3

B16

I/O

XPORT9.4

D13

I/O

XPORT9.5

C14

I/O

XPORT9.6

B15

I/O

XPORT9.7

A15

I/O

XPORT9.8

B14

I/O

XPORT9.9

C13

I/O

XPORT9.10

D12

I/O

XPORT9.11

B13

I/O

XPORT9.12

C12

I/O

XPORT9.13

D11

I/O

XPORT9.14

B12

I/O

XPORT9.15

XTAL1

XTAL1: Input to the oscillator amplifier and/or external clock input.

XTAL2

XTAL2: Output of the oscillator amplifier circuit. To clock the device from an external

source, drive XTAL1 while leaving XTAL2 unconnected. Minimum and maximum

high/low and rise/fall times specified in the AC characteristics must be observed

RSTIN

Reset input with CMOS Schmitt-Trigger characteristics: A low level at this pin for a

specified duration while the oscillator is running resets ST10F296E. An internal pull-up

resistor permits power-on reset using only a capacitor connected to VSS. In

bidirectional reset mode (enabled by setting bit BDRSTEN in SYSCON register), the

RSTIN line is pulled low for the duration of the internal reset sequence.

RSTOUT

Internal reset indication output: This pin is driven to a low level during hardware,

software or watchdog timer reset. RSTOUT remains low until the EINIT (end of

initialization) instruction is executed.

NMI

Non maskable interrupt input: A high to low transition at this pin causes the CPU to

vector to the NMI trap routine. If bit PWDCFG = 0 in the SYSCON register, when the

PWRDN (power-down) instruction is executed, the NMI pin must be low in order to

force the ST10F296E to go into power-down mode. If NMI is high and PWDCFG = 0,

when PWRDN is executed, the part will continue to run in normal mode.

If not being used, pin NMI should be pulled high externally.

XPOUT.0

XPWM: Channel 0 output

XPOUT.1

XPWM: Channel 1 output

XPOUT.2

XPWM: Channel 2 output

XPOUT.3

XPWM: Channel 3 output

XADCINJ

Output trigger for ADC channel injection

Table 2.

Ball description (continued)

Symbol

Ball

no.

Type

Function (including port, pin and alternate function where applicable)

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Product(s)

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Product(s)

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