MA838 Datasheet, PDF (4/13 Pages) Zarlink Semiconductor Inc – SINGLE PHASE PULSE WIDTH MODULATION WAVEFORM GENERATOR

MA838
PIN DESCRIPTIONS
Pin No.
1
2
3
4
5
6
7
8
9
10
11
Name
AD₂
AD₃
AD₄
AD₅
AD₆
AD₇
RST
CLK
TRIP
CS
PWMB
Type
Function
I Multiplexed Address/Data
I Multiplexed Address/Data
I Multiplexed Address/Data
I Multiplexed Address/Data
I Multiplexed Address/Data
I Multiplexed Address/Data (MSB)
I Resets Internal Counters
I Clock Input
O Output Trip Status
I Chip Select
O Bottom PWM Signal
Pin No. Name Type
Function
12
V_SS
S Negative Power Supply
13
PWMT O Top PWM Signal
14 SET TRIP I Set Output Trip
15 Intel ALE I Intel Address Latch Enable
Motorola AS
Motorola Address Strobe
16 Intel RD I Intel
Read Strobe
Motorola DS
Motorola Data Strobe
17 Intel WR I Intel
Write Strobe
Motorola R/W
Motorola Read/Write Select
18
V_DD
S Positive Power Supply
19
AD₀
I Multiplexed Address/Data(LSB)
20
AD₁
I Multiplexed Address/Data
Fig.2 MA838 internal block diagram
3