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