Motorola MTM700

THEORY OF OPERATION (800 MHz) MTM700 Mobile Radio / Detailed Service Manual 4.2 - 19
Microprocessor
Figure 7 RedCap2 Block Diagram
Encryption
Accelerator
DSP Peripheral
DMA
PROM 2Kx24
PRAM 40Kx24
YROM 0Kx16
YRAM 15Kx16
DSP
Core
Viterbi
Accelerator
MCU/DSP
Interface
MDI
XROM 0Kx16
XRAM 12Kx16
Shared X/VIAC
RAM 2Kx16
Shared X/MCU
RAM 2Kx16
Clocks/PLL
MCU Debug
Layer 1
Timer
JTAG/OnCE
UARTB
M
U
X
UARTA
Audio
CODEC
Serial Port
SAP
BRM
External
Inteface
Module
QSPIB
QSPIA
SIM
Reset
Keypad
Interface
GPIO
MCU
Core
ROM 4Kx32
RAM 512x32
PIG
Peripheral I/F
Gasket
GPReg
MCU Timers/
PWM/PIT/
Watchdog
Baseband
CODEC
Serial Port
BBP
Counter
DSP Timer
MCU Int. Ctl
DSP_IRQ
STDB
SRDB
SFSB(2)
SCKB(2)
STDA
SRDA
SFSA(2)
SCKA(2)
ADRS(22)
DATA (1
6
)
R/W
OE
EB0,EB1
CS(6)
MOD
INT(6)
INT6/DSRA/
STD
A/TRST
INT7/DTRA/SCLK/
SRD
A/TMS
MOSIB
MISOB
QSCKB
SPICSB(5)
MOSIA
MISOA
QSCKA
SPICSA(5)
RST_OUT
RST_IN
COLUMN(5)
ROW(5)
COLUMN5/GPIO
ROW5/IC2B/GPIO
COLUMN6/OC1
COLUMN7/PWM
ROW6/DCDA/SC2A/DSP_DE
ROW7/RIA/ISCKA//TCK
XYA(16)
XYRW,XYSEL,XYSTB
XYD(16)/TXA/RXA/GI
CKIH,CKIL
CKOH,CKO
DEBUG(6)
TOUT(16)
DSP_DE
JTAG(5)
MCU_DE
TEST
RTSB
CTSB
TXB
RXB
MUX_CTL
RTSA/IC2A/
RESET_IN
CTSA/MCU_DE
TXA/TDO
RXA/IC1/TDI