GPCE040A datasheet(11/26 Pages) GENERALPLUS

11 / 26 page

GPCE040A

Proprietary & Confidential

Oct 01, 2013

Version: 1.4

6.11. Serial interface I/O (SIO)

Serial

interface

I/O

offers

one-bit

serial

interface

for

communication.

This serial interface is capable of transmitting or

receiving data via two I/O pins, IOB0 (SCK) and IOB1 (SDA).

Ax+1

Ax-1

Dx+1

SDA

1st write P_SIO_Data (W), $701AH

2nd write P_SIO_Data (W), $701AH

STOP

WRITE MODE

Ax+1

Ax-1

Dx+1

SCK

SDA

1st Read P_SIO_Data (R), $701AH

2nd Read P_SIO_DAta (R), $701AH

STOP

READ MODE

write control bit=0

read control bit = 1

SCK

SDA

6.12. UART

UART block provides a full-duplex standard interface that

facilitates the communication with other devices.

With this

interface, GPCE can transmit and receive simultaneously.

The

maximum baud-rate can be up to 115200bps.

This function can

be accomplished by using PortB and Interrupt (UART IRQ).

The

Rx and Tx of UART are shared with IOB7 and IOB10.

When

GPCE040A receives and/or transmits a frame of data, the b7

(RxRDY) and/or b6 (TxRDY) in Port_UART_Command2(R) will be

set to “1” and the UART IRQ is activated at the same time.

parity

bit

stop

bit

start

bit

8-bit data

can be enabled/disable;

also even/odd check

1-bit Stop

1-bit Start

6.13. Audio Algorithm

The following speech types can be used in GPCE040A: PCM,

SACM_S200,

SACM_S480,

SACM_S530,

SACM_S720,

SACM_A1600, SACM_A1601, SACM_A3600, SACM_DVR520,

SACM_DVR1600, SACM_DVR3200, and SACM_DVR4800.

For

melody synthesis, the GPCE040A supports SACM_MS01 (FM)

and SACM_MS02 (wave-table) synthesizers.

6.14. Bonding Option Summary

The GPCE040A has the following bonding option:

6.14.1. Watchdog function

WDGOPT is the optional pin for watchdog by bonding option.

The shape looks as the figure given below.

When watchdog is

selected, WDGOPT is unbonded.

If watchdog is not selected,

WDGOPT is bonded.

The reason for WDGOPT adjacent to VDD

is that when watchdog is not selected, it is easy to make the

connection between VDD and WDGOPT.

VDD

WDGOPT

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