User Guide

PAMS
Technical Documentation
NSE–8/9
System Module
Page 2– 22
Issue 1 07/99
Table 13. Audio Block connections (continued)
RemarkTypeName
of signal
TXIN output Negative line of the in phase transmit signal
TXIP output Positive line of the in phase transmit signal
TXQN output Negative line of the quadrature phase transmit signal
TXQP output Positive line of the quadrature phase transmit signal
RXINP input Positive line of the in phase receive signal
RXINN input Negative line of the in phase receive signal
KEY_LIGHT output Logical signal controlling the keyboard backlight driver.
LCD_LIGHT output Logical signal controlling the LCD backlight driver.
Table 14. CPU connections
Name
of signal
Type Remark
PURX input Power on reset
SLEEPCLK input 32KHz sleep clock signal for MAD2PR1 operation in sleep state
CCONTINT input Interrupt line from CCONT to MAD2PR1, for all events in CCONT
HOOKDET Input Logical signal indicating whether the hook button of the accessory is acti-
vated or not
HEADDET input Logical signal indicating whether an accessory is inserted or not
CCONTCSX output CCONT Chip select for the serial communication with MAD2PR1
MBUS bi
direc-
tional
Serial communication line between MAD2PR1 and external service or pro-
duction equipment.
Clock line for F–bus communication during flashing.
VIBRA output Logical output from MAD2PR1 to the vibra driver in the UISWITCH
VCXOPWR output Control of power up/down of the 13MHz system clock, sleep mode control
to CCONT
SIMIF(4:0) bus Communication lines between MAD2PR1 and the SIM driver in CCONT
GENSIO(1:0) bus Serial clock and data for the communication between MAD2PR1 and
CCONT, and from MAD2PR1 to LCD–driver.
CHARG_OFF output Logical signal controlling charging through PSCC, High disables start–
and PWM–charging.
PSCC_PWM output Logical signal controlling the charger switch inside PSCC, High switch
open, Low switch closed
FBUS_TX output Output for serial communication between MAD2PR1 and external service
or production equipment.
FBUS_RX input Input for serial communication between MAD2PR1 and external service or
production equipment.
SERFI(3:0) bus communication line between MAD2PR1 and COBBA_GJP for cobba con-
trol and receive and transmit data for the RF transmission.