ISD94100 Series Technical Reference Manual
Sep 9, 2019
Page
28
of 928
Rev1.09
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4
PARTS INFORMATION LIST AND PIN CONFIGURATION
4.1
Parts Information
PART NUMBER
ISD941
24
ARI
24
BRI
24
ADI
24
CDI
24
DDI
24
PDI
24
EDI
13
ADI
24
BYI
23
BYI
13
BYI
Max. CPU frequency
(MHz)
100
200
Flash (KB)
512
256
512
256
SRAM (KB)
192
128
192
128
ISP Loader ROM (KB)
4
I/O
58
57
41
32-bit Timer
4
RTC
√
C
o
n
n
ect
ivi
ty
UART
1
SPI
1
SPI/I
2
S
2
I
2
S
1
I
2
C
2
PWM
6
5
USB 1.1 FS Device
-
√
12-bit ADC
13
12
A
udi
o
Func
ti
o
n
Audio DPWM
2.1
--
2.1
-
VAD
√
-
√
-
DMIC
4
-
4
-
Input
P
ro
cessi
n
g
Acoustic Echo
Cancellation
-
√
-
Beamforming
-
√
-
Noise
Reduction
-
√
-
Voice
Recognition
-
√
-
√
-
Package
LQFP 64
(10x10 mm)
LQFP 64
(7x7 mm)
QFN 48
(6x6 mm)
Table 4.1-1 Devices Features and Peripheral Counts