Stereo System User Manual
Architecture
A-4
Figure A–1. MSP50C605 Architecture
Data ROM access
 Core
 CU Computational Unit
 PCU Prog. Counter Unit
 Instr. Decoder
TIMER1 PRD1 TIM1
0x3A 0x3B
 Clock Control
0x3D
 Gen. Control
0x38
 RAM 640 x 17 bit
(data) 0x0000 to
0x027F
 Power
V
PP
V
DD
V
SS
 F port INPUT
 DATA
0x28
8
 PF
0..7
Data ROM
229,376 x 8 bit
DRA
0x2C
DRD
0x00
 DRP
0x08
 C port I/0
 Control
0x14
 DATA
0x10
8
 PC
0..7
 E port I/0
 DATA
0x20
8
 PE
0..7
 Initialization
 Logic
RESET
 DAC
0x30
 32 Ohm PDM
 DAC
M
 DAC
P
SYNC
TEST
 Scan Interface
SCAN
IN
SCAN
OUT
SCAN
CLK
(EP)
ROM 32k x (16 + 1) bit
 User ROM
0x0800 to
0x7FEF
INT vectors
0x7FF0 to
0x7FFF
 Test–Area
0x0000 to
 (reserved) 0x07FF
 D port I/0
 DATA
0x18
8
 PD
0..7
Comparator
 1 bit:
PD
5
 vs.
PD
4
+–
 OSC Reference
 PLL Filter
PLL
 OSC
OUT
 Crystal
 Referenced
 32.768 kHz
 Resistor
 Trimmed
 32 kHz nominal
 OSC
IN
or
or
Break Point
Emulation
OTP Program
Serial Comm.
 Control
0x24
TIMER2 PRD2 TIM2
0x3E 0x3F
 Interrupt Processor
FLAG MASK
0x39 0x38
 DMAU
Data Mem. Addr.
55
PGM
PULSE
(C605 only)
(P614 only)
(P614 only)
 RTOTRIM Register
0x2F
 DAC Data/Control
Control Data
0x34 0x30
 /
 /
 /
 /
 Control
0x1C










