ISD94100 Series Technical Reference Manual
Sep 9, 2019
Page
45
of 928
Rev1.09
IS
D
9
410
0
S
ER
IE
S
T
E
C
HN
ICA
L
RE
F
E
RE
NCE
M
AN
U
AL
5
BLOCK DIAGRAM
5.1
ISD94100 Series Block Diagram
ARM
Cortex
TM
-M4
(DSP/FPU/ETM)
200MHz
APROM
512KB
SRAM 192KB
LDROM 4KB
Data Flash share
with APROM
POR / LVR / BOD
CPU core LDO
1.2V
Memory
Power control
Timer / PWM
Timer x4
WDT x1/WWDT x1
PWM x6
RTC
Analog Interface
12-bit ADC 13-ch
HS Osc.
48.0/49.152MHz
LS Osc. 10KHz
PLL 100~500MHz
HS Ext. Crystal
4~24.576MHz
Clock control
LS Ext. Crystal
32.768KHz
PDMA
16-ch
GPIO
External interrupt
General Purpose
IO
Connectivity
UART0 x1
I2C x2
(SPI/I2S) x2
SPI (Quad) x1
AHB Bus
Bridge
Security
CRC
APB Bus
USB 1.1 Device
I2S
DMIC
DPWM
Figure 5.1-1 ISD94100 Series Block Diagram