ACE9050
46
Level of TXPOW pin
Level of SERV pin
Read back 0
Level of INP1 [4] pin
Level of INP1 [3] pin
Level of INP1 [2] pin
Level of INRQ [1] pin (interrupt or INP1 [1])
Level of INRQ [0] pin (interrupt or INP1 [0])
PROGRAMMER’S GUIDE TO CONTROL PORTS
AND REGISTERS
IN_PORT 1 External Inputs
Read
Bit
Name
Description
POWDET
SERV
0
INP1 [4]
INP1 [3]
INP1 [2]
INRQ [1]
INRQ [0]
7
6
5
4
3
2
1
0
Table 107
PORT 4 ACE9050 Configuration
Read/Write
Bit
Name
Description
0 = ACE serial interface active
*
1 = Sleep
Read back 0
Read back 0
0 = Clock synchronised to data
*
1 = Clock free running
0 = 1·008MHz processor bus
*
1 = 2·016MHz processor bus
0 = TXSAT selected
*
1 = RXSAT selected
0 = External ROM
1 = Internal ROM
*
-
SINTSLEEP
Not used
Not used
NOMPLL
TURBO
SATMUX
IROM
Not used
7
6
5
4
3
2
1
0
*
Reset state in Normal mode
Table 110
PORT 5 ACE9050 Configuration
Read/Write
Bit
Name
-
0 = Active
*
1 = Power down
00 = OUT2 [2]
*
01 = PWM 2
10 = Latch 2
*
-
0 = I
2
C reset
*
1 = I
2
C enabled
0 = C1008 low
1 = C1008 enabled
*
0 = PWM 1
1= OUT_PORT 2 [1]
*
-
XOSC
OUT2.2_SEL
-
SEL_I2C
CLKENAB
PWM1MUX
7
6
[5:4]
3
2
1
0
Logic state
Description
Not used
Power down
oscillator
Multiplex
control
Not used
Select I
2
C
CLK enable
Multiplexer
control
*
Reset state in Normal mode
Table 111
MODPRT 0 Modem Control
Read/Write
Bit
Name
Function
0 = Reset Modem
*
1 = Modem enabled
0 = TACS Modem
*
1 = AMPS Modem
Bits 5: 4 = SAT generator
00 = 5·97kHz
*
01 = 6·00kHz
10 = 6·03kHz
11 = No SAT transmitted
0 = TX output disabled
*
1 = TX output enabled
MDRESN
A_TN
SCCTX 1 [0]
ENAMI
7
6
[5:4]
3
Cont…
Table 112
*
Reset state in Normal mode
PORT 3 ACE9050 Configuration
Read/Write
Bit
Name
Description
0 = No action
*
1 = Modem fully enabled
0 = Latch 3 pulse generated
*
1 = Latch 3 set to 1
0 = IFC counter reset
*
1 = Enable IFC counter
0 = POFFN set to 0
*
1 = POFFN set to 1
0 = Active
*
1 = Sleep
0 = OUT2 [0]
*
1= 8·064MHz Clk
0 = CSEPN active for
address FFFF
H
*
1 = CSEPN inactive for
address FFFF
H
0 = 256 period count
*
1 = 2432 period count
ENMOD
ONRAD
STIFC
UPOFFN
MDMSLP
ENSIS
SLEEP
IFFREQ
7
6
5
4
3
2
1
0
Logic state
Modem on
ACE serial
interface
Start IFC
count
Power
control
Modem
mode
CPUCL pin
Sleep
IFC
counter
*
Reset state in Normal mode
Table 109
OUT_PORT 2 External Outputs
Read
Bit
Name
Description
Inverted drive to OUTP2 [7] pin
Inverted drive to OUTP2 [6] pin
Should be set to 0
Should be set to 0
Should be set to 0
Drive level of OUTP2 [2] pin when
selec ted by Port 5
Drive level of OUTP2 [1] pin when
selec ted by Port 5
Drive level to CPUCL pin when CPUCL is
disabled in Port 3
OUTP2 [7]
OUTP2 [6]
Reserved
Reserved
Reserved
OUTP2 [2]
OUTP2 [1]
OUTP2 [0]
7
6
5
4
3
2
1
0
Table 108