em78p5842 ELAN Microelectronics Corp, em78p5842 Datasheet - Page 2

• Manufacturer Part Number: em78p5842
• Description: 8-bit Micro-controller
• Manufacturer: ELAN Microelectronics Corp

Version History
Relative to EM785840s ROM-less, OTP and mask:
Table1: the relation between EM785830 and EM785840 series:
Table2: the major differences between EM78P5830 and EM78P5840 series:
Table3: the major differences between ICE5840, EM78P5840 and EM785840:
** CNT2 is only exist on EM78P5840/41/42 and EM785840/41/42, CNT2 is un-support on ICE5840.
Specification Revision History
eFH785840
CID RAM address auto
External CNT1 input
EM785830 series
EM785830ACM
EM785830ABM
EM785830AFM
EM785830ACP
EM785830ABP
EM785830AFP
Version
P71 pull high
WDT source
XIN, XOUT
/RESET pin
ERIC mode
CID RAM
CID RAM
IRC mode
CNT1(**)
CNT2(**)
PLLC pin
1.0
1.1
1.2
STACK
ROM-less
ICE5830
+1
Content
Initial version
1. Remove Crystal mode’s Idle application
2. Modify operating temperature
1. Rename EM78785840/41/42 ¡ ÷ EM785840/41/42
2. Change IRC frequency deviation from +/- 5% to +/- 10%
EM78P5840 series
8 bit counter
EM785840M
EM785841M
EM785842M
EM78P840P
EM785841P
EM785842P
1024 byte
EM785830 series
ICE5840
Internal pull high
Crystal or PLL
/RESET only
Crystal input
EM78P5840
EM78P5841
EM78P5842
PLLC only
12
V
V
256 byte
OTP
NA
NA
NA
EM78P5840 series
18 pin PDIP
20 pin PDIP
24 pin PDIP
PACKAGE
18 pin SOP
20 pin SOP
24 pin SOP
8 bit counter
Shared with P70 and ERCI
EM785840
EM785841
EM785842
Shared with P60 and P61
NA
NA
X
8
Mask
External pull high
EM785840 series
Shared with P94
Shared with P71
Under 6M Hz
2M / 4M Hz
IRC1
NA
8 or 16 (shared with
CNT2) bit counter
EM785840 series
NA
NA
V
8